Distance between cities › USA › California › Williams, CA › Distance from Williams to Havre Book Hotels

Distance from Williams, CA to Havre, MT

Distance

1,237 mi

Time

21 hours 38 mins

Gas Cost

$115 - $224

There are 896.18 miles from Williams to Havre in northeast direction and 1,237 miles (1,990.76 kilometers) by car, following the I-80 route.

Williams and Havre are 21 hours 38 mins far apart, if you drive non-stop .

This is the fastest route from Williams, CA to Havre, MT.

Please note the time difference between Williams, CA and Havre, MT is 1 hour. The current time in Williams is 4:45 am and the current time in Havre is 5:45 am.

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Lowest Price Rental Cars in Williams, CA

Planning on renting a car to go from Williams, CA to Havre, MT? 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 49.69 gallons of gas to cover the route between Williams, CA and Havre, MT.

The estimated cost of gas to go from Williams to Havre is $162.09.

During the route, an average car will release 973.54 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 Williams, CA and Havre, MT

If you want to meet halfway between Williams, CA and Havre, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.57612 and -114.251728, or 42º 34' 34.032" N, 114º 15' 6.2208" W. This location is 618.65 miles away from Williams, CA and Havre, MT and it would take approximately 10 hours 49 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Eden, ID, situated 624 miles from Williams, CA and 618 miles from Havre, MT. It would take 11 hours 35 mins to go from Williams to Eden and 10 hours 12 mins to go from Havre to Eden.