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

Distance from Mount Vernon, SD to Altamont, SD

Distance

168 mi

Time

2 hours 51 mins

Gas Cost

$15 - $29

There are 110.12 miles from Mount Vernon to Altamont in northeast direction and 168 miles (270.37 kilometers) by car, following the I-90 route.

Mount Vernon and Altamont are 2 hours 51 mins far apart, if you drive non-stop .

This is the fastest route from Mount Vernon, SD to Altamont, SD. The halfway point is Buffalo Ridge, SD.

Mount Vernon, SD and Altamont, SD are in the same time zone (CDT). Current time in both locations is 6:23 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 Altamont, SD? 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 6.75 gallons of gas to cover the route between Mount Vernon, SD and Altamont, SD.

The estimated cost of gas to go from Mount Vernon to Altamont is $21.16.

During the route, an average car will release 132.22 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 $3.14 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 Altamont, SD

If you want to meet halfway between Mount Vernon, SD and Altamont, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.610546 and -96.876587, or 43º 36' 37.9656" N, 96º 52' 35.7132" W. This location is 84.02 miles away from Mount Vernon, SD and Altamont, SD and it would take approximately 1 hour 25 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Buffalo Ridge, SD, situated 76 miles from Mount Vernon, SD and 93 miles from Altamont, SD. It would take 1 hour 5 mins to go from Mount Vernon to Buffalo Ridge and 1 hour 30 mins to go from Altamont to Buffalo Ridge.

Major City Closest to Halfway Point

The major city closest to the halfway point between Mount Vernon, SD and Altamont, SD is Sioux Falls, SD, situated 86 miles from Mount Vernon, SD and 96 miles from Altamont, SD. It would take 1 hour 12 mins to go from Mount Vernon to and 1 hour 35 mins to go from Altamont to Sioux Falls.