Distance between cities › USA › Montana › Boulder, MT › Distance from Boulder to San Francisco International Airport Book Hotels

Distance from Boulder, MT to SFO Airport

Distance

1,082 mi

Time

18 hours 48 mins

Gas Cost

$101 - $196

Helpful Inaccurate

There are 793.88 miles from Boulder to San Francisco International Airport (SFO) in southwest direction and 1,082 miles (1,741.31 kilometers) by car, following the I-80 route.

Boulder and SFO Airport are 18 hours 48 mins far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to SFO Airport. The halfway point is Halleck, NV.

Please note the time difference between Boulder, MT and SFO Airport is 1 hour. The current time in Boulder is 9:19 pm and the current time in SFO Airport is 8:19 pm.

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Lowest Price Rental Cars in Boulder, MT

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Boulder »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 43.47 gallons of gas to cover the route between Boulder, MT and SFO Airport.

The estimated cost of gas to go from Boulder to SFO Airport is $141.81.

During the route, an average car will release 851.74 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Boulder, MT and SFO Airport

If you want to meet halfway between Boulder, MT 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 40.987782 and -115.416710, or 40º 59' 16.0152" N, 115º 25' 0.156" W. This location is 541.25 miles away from Boulder, MT and SFO Airport and it would take approximately 9 hours 24 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Halleck, NV, situated 553 miles from Boulder, MT and 538 miles from SFO Airport. It would take 10 hours 3 mins to go from Boulder to Halleck and 7 hours 51 mins to go from SFO to Halleck.

Major Cities Along the Route

Some major cities along the route include Reno, NV,Roseville, CA,Sacramento, CA,Fairfield, CA,Vallejo, CA,Oakland, CA,Berkeley, CA,Richmond, CA,San Mateo, CA,Daly City, CA, and San Francisco, CA.