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

Distance from Mount Vernon, SD to Brady, MT

Distance

845 mi

Time

14 hours 52 mins

Gas Cost

$79 - $153

There are 717.06 miles from Mount Vernon to Brady in northwest direction and 845 miles (1,359.90 kilometers) by car, following the I-90 route.

Mount Vernon and Brady are 14 hours 52 mins far apart, if you drive non-stop .

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

Please note the time difference between Mount Vernon, SD and Brady, MT is 1 hour. The current time in Mount Vernon is 6:45 am and the current time in Brady is 5:45 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 Brady, 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 33.94 gallons of gas to cover the route between Mount Vernon, SD and Brady, MT.

The estimated cost of gas to go from Mount Vernon to Brady is $110.70.

During the route, an average car will release 664.89 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 Brady, MT

If you want to meet halfway between Mount Vernon, SD and Brady, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.47581 and -105.55776, or 45º 28' 32.916" N, 105º 33' 27.936" W. This location is 422.51 miles away from Mount Vernon, SD and Brady, MT and it would take approximately 7 hours 26 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Olive, MT, situated 421 miles from Mount Vernon, SD and 438 miles from Brady, MT. It would take 7 hours 13 mins to go from Mount Vernon to Olive and 7 hours 59 mins to go from Brady to Olive.