No direct train; you would need to connect via Amtrak in Emeryville.

How long is the drive?

Expect 22 hours of driving time.

Yes, connecting flights from Rapid City.

Yes, but be cautious of mountain weather.

Custer

San Francisco

Flight Driving

Custer to San Francisco

Updated: 28 May 2026

The route from Custer to San Francisco covers 2,300 km. Driving takes approximately 22 hours via I-90 and I-80. You will cross the Continental Divide and the Sierra Nevada mountains. Flying from Rapid City Regional Airport is the most practical way to reach the Bay Area.

Total Distance: 2,300 km driving, 1,900 km air distance.

Fastest Way

Flight from Rapid City Regional Airport takes 7 hours.

Cheapest Way

Driving is cheaper for groups of three or more.

Compare Custer to San Francisco Routes

	Flight Connecting	Driving Direct
Duration	7 hours	22 hours
Avg Price	$400-$900	$350-$500 in fuel
Operator	United Airlines	Personal Vehicle
Route	RAP to DEN to SFO.	I-90 West to I-80 West through Salt Lake City and Reno.
Tip	United offers the most frequent connections from RAP.	I-80 can have heavy snow in winter; check conditions.

Travel Tips

Public Transit
Use the BART system to get from SFO to downtown.
Layers
San Francisco weather changes quickly; always carry a jacket.
Parking
Parking is very expensive; use public transit or rideshares.
Walking
Be prepared for steep hills when walking in the city.
Reservations
Book Alcatraz tours weeks in advance.

Safety Tips

Car Security
Never leave valuables in your car, especially in tourist areas.
Mountain Driving
Use low gears when descending the Sierra Nevada on I-80.
Urban Safety
Stay in well-lit areas at night.
Emergency Prep
Keep a winter kit in your car if traveling between November and March.