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How Far Is Los Angeles from Las Vegas?
About 270 miles and a 4 to 4.5 hour drive on I-15 — but the smart way to make the trip depends on how you travel and when you leave.
I have made the Los Angeles to Las Vegas trip more times than I can count, and it is one of the questions I get asked most by people planning a visit or a move. The short version is that LA sits roughly 270 miles from Las Vegas, and driving it takes about 4 to 4.5 hours when traffic cooperates. The honest version depends a lot on how you go and what time you hit the road, so let me walk you through the drive, the flight, the bus, and the high-speed train that is on the way.
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The Quick Numbers
About 270 Miles on Interstate 15
From downtown LA to the Las Vegas Strip is roughly 270 miles, almost entirely on I-15. It is one long, mostly straight shot through the high desert, so the mileage barely changes no matter where on the Strip you are headed.
Roughly 4 to 4.5 Hours
With clear roads, plan on about four hours of actual driving. Add a fuel stop, a bathroom break, or a slow patch of traffic and it stretches closer to four and a half. On a busy holiday Sunday it can run much longer, which I will get into below.
About 1 Hour in the Air
The straight-line distance is around 230 miles, and the flight between LAX and Harry Reid International is one of the shortest hops out there. Count on roughly an hour gate to gate once you add boarding and taxi time.
Driving from Los Angeles to Las Vegas
Almost everyone drives this route, and for good reason. It is direct, the desert scenery has its own stark beauty, and once you factor in airport hassle it is often just as fast as flying. You head out of the LA basin, climb through the Cajon Pass, roll past Barstow, cross the Mojave, and cruise right into Las Vegas. Here are the things I always tell people before they go.
Time Your Drive Around the Traffic
Sunday afternoons and evenings are the worst, because that is when the whole weekend crowd heads back to Southern California at once. The stretch through the Cajon Pass and around the state line can slow to a crawl. Tip: Leave early in the morning or travel on an off-peak weekday, and a four-hour trip stays a four-hour trip instead of ballooning past six.
Gas Up Before the Open Desert
There are stretches where you will not see a gas station for a good while, and the fuel that is out there tends to be pricier. Fill up before you leave the Barstow area. Tip: In summer the desert heat is no joke, so top off your fluids, carry water, and keep an eye on your engine temperature, especially if you are towing anything.
Build In Time to Actually Stop
The whole advantage of driving is the freedom to pull over when something looks interesting. There is more roadside Americana on this route than people expect. Tip: If you have the time, treat the drive like a mini road trip rather than a slog. A couple of the stops below turn a boring transfer into part of the trip.
The Route, Turn by Turn
One of the reasons this drive is so popular is that the route could not be simpler. You are on two freeways the entire way. Here is the map, and exactly how the trip unfolds with rough mileage so you can plan your gas and food stops.
Open This Route in Google Maps →
Leave Los Angeles on I-10 East
From downtown, take I-10 East toward San Bernardino and ride it through the Inland Empire to the I-15 interchange near Ontario. Tip: Starting from Pasadena or the San Gabriel Valley? Take I-210 East instead and it meets I-15 a few miles north of the 10, which skips some of the worst of the 10.
Merge onto I-15 North and Climb the Cajon Pass
I-15 North is your road for the rest of the trip. It climbs through the Cajon Pass, the mountain gap that lifts you out of the LA basin and drops you into the high desert at Victorville. Tip: This is the most congested stretch of the whole drive, and winter storms can slow it down or briefly close it, so check road conditions before a December or January trip.
Stay on I-15 North at Barstow
At Barstow, I-40 splits off toward Needles and Arizona. Follow the signs to stay on I-15 North toward Las Vegas. Barstow is the best full-service stop on the route, which is why it shows up again in my list of stops below. Tip: Fuel up here even if the tank is half full. Gas gets sparse and more expensive from this point on.
Cross the Mojave to Baker
This is the emptiest, most wide-open stretch of the drive, straight across the Mojave. Baker is the last true service town on the California side, home of the giant thermometer. Tip: Cell coverage thins out in the open desert, so download offline maps before you leave and keep water in the car in summer.
Climb to Mountain Pass, Then Drop into Primm
Past Baker the freeway climbs again, over Halloran Summit and Mountain Pass, before rolling downhill to the Nevada line at Primm. You will see the casinos from miles away. Tip: There is almost nothing between Baker and Primm, so if anyone needs a break, take it at one end or the other rather than counting on something in between.
Ride I-15 into Las Vegas
From Primm it is a straight run down into the valley. For the south end of the Strip take the Russell Road or Tropicana Avenue exits, for the center of the Strip use Flamingo Road or Spring Mountain Road, and for downtown and Fremont Street stay on I-15 to the US 95 interchange. Tip: Headed to Harry Reid International or returning a rental? Take the 215 East just south of the Strip exits and it delivers you right to the airport.
Best Stops Along the Way
Barstow
Barstow is the classic halfway break, with fuel, food, and outlet shopping right off the freeway. It is also the jumping-off point for a couple of the detours below. Tip: This is my go-to spot to fill the tank and grab a bite before the emptier stretch of desert ahead.
Calico Ghost Town
A restored old silver-mining town in the hills above Barstow, Calico is a fun, quick detour if you like a bit of Old West history. You can walk the main street, poke into the shops, and stretch your legs. Tip: Hours and admission vary by season, so check the official San Bernardino County parks site before you plan a long stop.
Baker and the World’s Tallest Thermometer
The tiny town of Baker is famous for its towering roadside thermometer, a genuinely fun photo stop and a good reminder of just how hot the Mojave gets. It is also the last real service town before the Nevada line. Tip: Grab a cold drink here and check your fuel one more time before the final desert push.
Zzyzx Road and Mojave National Preserve
Zzyzx Road is one of the most photographed exit signs in the country, and it is your gateway into the Mojave National Preserve, with wide-open desert, sand dunes, and quiet backcountry roads. Tip: The preserve is remote with few services, so only venture in with a full tank, plenty of water, and a good sense of how far you plan to go.
Primm at the State Line
Primm sits right at the Nevada state line and is the last stop before Las Vegas, with outlet shopping, casinos, and a roadside break to reset before the final stretch. Tip: It is a handy spot to fuel up and grab coffee for the home stretch, and the outlet mall is worth a browse if you are not in a rush.
Flying from Los Angeles to Las Vegas
Under an Hour in the Air
The flight itself between LAX and Harry Reid International is one of the quickest you will ever take, right around an hour gate to gate. Plenty of airlines fly it nonstop with many departures a day, so you are rarely waiting long for the next one. Flying makes the most sense if you do not want a car in Las Vegas, you are short on time, or you find a fare that beats the cost of gas.
Is Flying Actually Faster?
Once you drive to the airport, park, get through security, wait to board, fly, land, and get out of the terminal on the other end, your total door-to-door time often lands close to what you would spend just driving. Driving wins if you want your own vehicle, you are traveling with a group, or you like the freedom to stop along the way.
Taking the Bus
Cheap If You Book Ahead
Buses and luxury shuttles run this route too, and they can be surprisingly affordable when you book early. The tradeoff is time, since a bus typically covers the drive in more like five to seven hours with its stops and cannot dodge traffic the way you might in your own car. If you would rather relax than drive and you are watching your budget, it is a solid option. Fares and schedules change often, so check the carrier’s official site.
What About a High-Speed Train?
Brightline West Is Under Construction
Right now there is no passenger train running directly between LA and Las Vegas, but that is changing. A high-speed line called Brightline West is being built along a 218-mile corridor between Las Vegas and Rancho Cucamonga in the greater LA area, mostly down the I-15 right-of-way, with the Rancho Cucamonga end connecting to Metrolink for the ride into downtown LA. The all-electric trains are designed to reach up to 200 mph and make the trip in roughly two hours once service begins. Construction broke ground in 2024, and as of now the project is targeting completion in late 2029, so it is on the way but not an option just yet.
Which Way Should You Go?
Drive
Choose driving if you want your own car in Vegas, you are splitting fuel with a group, or you enjoy a good road trip with stops. For most people making the trip today, this is the flexible, cost-effective pick.
Fly
Fly if you do not need a car once you land, you are trying to save time, or you find a fare that beats the cost of gas. Just remember to weigh the full door-to-door time, not only the hour in the air.
Bus or Future Train
Take the bus if you want the cheapest ride and do not mind a longer trip. And keep an eye on Brightline West if you are reading this a few years from now, once the high-speed line is finally running.
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Lori Ballen
REALTOR® with Keller Williams Realty Las Vegas, leading The Ballen Group. A lifelong Las Vegan sharing the best of the valley.
As an Amazon Associate, I earn from qualifying purchases. Some links on this site are affiliate links. Portions of this content are generated by AI.
