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

Distance from Mount Vernon, SD to Capitol, MT

Distance

389 mi

Time

7 hours 42 mins

Gas Cost

$36 - $70

There are 309.48 miles from Mount Vernon to Capitol in northwest direction and 389 miles (626.03 kilometers) by car, following the I-90 route.

Mount Vernon and Capitol are 7 hours 42 mins far apart, if you drive non-stop .

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

Please note the time difference between Mount Vernon, SD and Capitol, MT is 1 hour. The current time in Mount Vernon is 6:41 am and the current time in Capitol is 5:41 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 Capitol, 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 15.61 gallons of gas to cover the route between Mount Vernon, SD and Capitol, MT.

The estimated cost of gas to go from Mount Vernon to Capitol is $50.92.

During the route, an average car will release 305.85 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 Capitol, MT

If you want to meet halfway between Mount Vernon, SD and Capitol, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.836348 and -101.830399, or 43º 50' 10.8528" N, 101º 49' 49.4364" W. This location is 194.35 miles away from Mount Vernon, SD and Capitol, MT and it would take approximately 3 hours 51 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Cottonwood, SD, situated 198 miles from Mount Vernon, SD and 197 miles from Capitol, MT. It would take 3 hours 22 mins to go from Mount Vernon to Cottonwood and 4 hours 49 mins to go from Capitol to Cottonwood.