Distance between cities › USA › South Dakota › Mount Vernon, SD › Distance from Mount Vernon to Bigfork Book Hotels

Distance from Mount Vernon, SD to Bigfork, MT

Distance

1,008 mi

Time

17 hours 26 mins

Gas Cost

$94 - $183

There are 815.93 miles from Mount Vernon to Bigfork in northwest direction and 1,008 miles (1,622.22 kilometers) by car, following the I-90 route.

Mount Vernon and Bigfork are 17 hours 26 mins far apart, if you drive non-stop .

This is the fastest route from Mount Vernon, SD to Bigfork, MT.

Please note the time difference between Mount Vernon, SD and Bigfork, MT is 1 hour. The current time in Mount Vernon is 6:36 am and the current time in Bigfork is 5:36 am.

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Lowest Price Rental Cars in Mount Vernon, SD

Planning on renting a car to go from Mount Vernon, SD to Bigfork, MT? Here there are some offers to rent a car in Mount Vernon, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Mount Vernon »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 40.49 gallons of gas to cover the route between Mount Vernon, SD and Bigfork, MT.

The estimated cost of gas to go from Mount Vernon to Bigfork is $132.08.

During the route, an average car will release 793.30 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 Mount Vernon, SD and Bigfork, MT

If you want to meet halfway between Mount Vernon, SD and Bigfork, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.5298 and -107.028288, or 45º 31' 47.28" N, 107º 1' 41.8368" W. This location is 504.11 miles away from Mount Vernon, SD and Bigfork, MT and it would take approximately 8 hours 43 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Busby, MT, situated 491 miles from Mount Vernon, SD and 517 miles from Bigfork, MT. It would take 8 hours 30 mins to go from Mount Vernon to Busby and 8 hours 58 mins to go from Bigfork to Busby.