Flight
Driving
Troy to San Francisco
Updated: 28 May 2026
The route from Troy, Missouri to San Francisco, California covers approximately 3,100 kilometers. Driving involves taking I-70 to I-80, a journey that crosses the Great Plains, the Rockies, and the Sierra Nevada mountains. This is a multi-day trip requiring at least 29 hours of driving. Flying from St. Louis Lambert International Airport to San Francisco International Airport (SFO) is the most practical choice. You will experience a dramatic transition from the Midwest to the coastal climate of Northern California.
Total Distance: 3,100 km driving distance; 2,700 km straight-line air distance.
Fastest Way
A direct flight from St. Louis to San Francisco takes about 4.5 hours.
Cheapest Way
Flying is the most economical choice when considering the total cost of a multi-day drive.
Compare Troy to San Francisco Routes
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Direct
|
Direct
|
|
|---|---|---|
| Duration | 4 hours 30 mins | 29 hours |
| Avg Price | $180 - $550 | $550 - $800 in fuel |
| Operator | United Airlines | Personal Vehicle |
| Route | STL to SFO | I-70 W to I-80 W through Denver and Salt Lake City. |
| Tip | Direct flights are available and save significant travel time. | Check for snow closures on I-80 in the Sierra Nevada during winter. |
Travel Tips
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LayersThe weather changes quickly; always dress in layers.
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Public TransitUse the cable cars and MUNI buses; they are efficient and iconic.
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WalkingBe prepared for steep hills; wear comfortable walking shoes.
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ParkingParking is extremely expensive and difficult; use public transit.
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SafetyAvoid leaving anything in your car, even in the trunk.
Safety Tips
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Car SecurityNever leave bags or valuables in a parked car.
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NeighborhoodsBe aware of your surroundings in the Tenderloin district.
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EmergencyKeep emergency contacts saved in your phone.
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WeatherBe prepared for sudden fog and temperature drops.
People Also Ask
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Is it cold in SF?It can be chilly and foggy, especially in summer.
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Do I need a car?No, public transit is excellent and parking is a hassle.
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What is the best airport?SFO is the primary airport, but OAK is a good alternative.
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Is Alcatraz worth it?Yes, it is a fascinating historical site.
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How long is the flight?A direct flight from St. Louis is about 4.5 hours.
Quick Info
- From Troy, Missouri, United States
- To San Francisco, California, United States
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Modes
Best Time to Travel
September to November for the warmest and clearest weather.
Things to Do in San Francisco
1
Golden Gate Bridge
Walk or bike across the iconic bridge for stunning views of the bay.
2
Alcatraz Island
Take a ferry to the historic prison; book your tickets weeks in advance.
3
Fisherman's Wharf
Visit Pier 39 to see the sea lions and enjoy fresh seafood.
4
Chinatown
Explore the oldest and one of the largest Chinatowns in North America.
Tags
Troy MO to San Francisco travel
driving to SF from Missouri
flights STL to SFO
I-80 road trip
San Francisco travel guide
Missouri to California travel
cheapest way to SF
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