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Distance from Williams, CA to SFO Airport

Distance

125 mi

Time

2 hours 27 mins

Gas Cost

$19 - $37

Helpful Inaccurate

There are 106.67 miles from Williams to San Francisco International Airport (SFO) in south direction and 125 miles (201.17 kilometers) by car, following the I-505 route.

Williams and SFO Airport are 2 hours 27 mins far apart, if you drive non-stop .

This is the fastest route from Williams, CA to SFO Airport. The halfway point is Vacaville, CA.

Williams, CA and SFO Airport are in the same time zone (PDT). Current time in both locations is 9:33 pm.

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Lowest Price Rental Cars in Williams, CA

Planning on renting a car to go from Williams, CA to SFO Airport? Here there are some offers to rent a car in Williams, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Williams »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 5.02 gallons of gas to cover the route between Williams, CA and SFO Airport.

The estimated cost of gas to go from Williams to SFO Airport is $26.58.

During the route, an average car will release 98.43 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $5.29 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Williams, CA and SFO Airport

If you want to meet halfway between Williams, CA and SFO Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.321434 and -122.025917, or 38º 19' 17.1624" N, 122º 1' 33.3012" W. This location is 62.55 miles away from Williams, CA and SFO Airport and it would take approximately 1 hour 13 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Vacaville, CA, situated 60 miles from Williams, CA and 65 miles from SFO Airport. It would take 54 minutes to go from Williams to Vacaville and 1 hour 10 mins to go from SFO to Vacaville.

Major City Closest to Halfway Point

The major city closest to the halfway point between Williams, CA and SFO Airport is Fairfield, CA, situated 69 miles from Williams, CA and 58 miles from SFO Airport. It would take 1 hour 4 mins to go from Williams to and 1 hour 4 mins to go from SFO to Fairfield.