Driving
Mammoth Lakes to Santa Barbara
Updated: 28 May 2026
The drive from Mammoth Lakes to Santa Barbara is a 550-kilometer journey that takes you south through the Eastern Sierra and then across the mountains to the coast. You will follow US-395 South and then transition to CA-166 West. The trip typically takes 6 hours. This route is a popular way to reach the coast from the mountains.
Total Distance: 550 km driving distance; 400 km straight-line air distance.
Fastest Way
Driving via US-395 and CA-166 is the fastest route.
Cheapest Way
Driving your own vehicle is the most economical option.
Compare Mammoth Lakes to Santa Barbara Routes
Driving
Direct
Duration
6 hours
Avg Price
$60-$90 in fuel
Operator
Personal Vehicle
Route
US-395 South to CA-166 West.
Enjoy the view of the mountains.
Travel Tips
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Route PlanningUS-395 and CA-166 are the most efficient routes.
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Rest StopsThere are many places to stop along the way.
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DiningSanta Barbara has a variety of local restaurants.
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NavigationNo GPS needed for this simple route.
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Vehicle PrepCheck your tires and fluids before the drive.
Safety Tips
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WeatherBe prepared for fog on the coast.
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Road ConditionsWatch for construction on CA-166.
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Emergency KitKeep a basic emergency kit in your car.
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FatigueTake breaks every 3 hours to stay alert.
People Also Ask
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Is there a train to Santa Barbara?No, there is no direct rail service from Mammoth Lakes.
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How long is the drive?Expect 6 hours of driving time.
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Is US-395 a toll road?No, US-395 is a free highway.
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What is the best time to leave?Any time is good for this drive.
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Are there hotels in Santa Barbara?Yes, there are many options available.
Quick Info
- From Mammoth Lakes, California, United States
- To Santa Barbara, California, United States
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Modes
Best Time to Travel
Spring or Fall to avoid winter snow closures and summer heat.
Things to Do in Santa Barbara
1
Stearns Wharf
A historic wharf with shops, restaurants, and views of the ocean. It is a must-visit.
2
Santa Barbara County Courthouse
A beautiful building with a tower that offers stunning views of the city. It is a must-visit.
3
Old Mission Santa Barbara
A historic mission with beautiful gardens and architecture. It is a must-visit.
4
State Street
A trendy area with shops, restaurants, and bars. It is a great place to explore.
Tags
Mammoth Lakes to Santa Barbara
driving to Santa Barbara from Mammoth
US-395 to CA-166 route
road trip Eastern Sierra to Santa Barbara
Santa Barbara travel guide
distance Mammoth Lakes to Santa Barbara
best route to Santa Barbara
traveling through mountains
