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

Distance from Mount Vernon, SD to Carter, SD

Distance

139 mi

Time

2 hours 35 mins

Gas Cost

$12 - $24

There are 99.81 miles from Mount Vernon to Carter in southwest direction and 139 miles (223.70 kilometers) by car, following the I-90 route.

Mount Vernon and Carter are 2 hours 35 mins far apart, if you drive non-stop .

This is the fastest route from Mount Vernon, SD to Carter, SD. The halfway point is Oacoma, SD.

Mount Vernon, SD and Carter, SD are in the same time zone (CDT). Current time in both locations is 5:05 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 Carter, 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 5.57 gallons of gas to cover the route between Mount Vernon, SD and Carter, SD.

The estimated cost of gas to go from Mount Vernon to Carter is $17.47.

During the route, an average car will release 109.17 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 Carter, SD

If you want to meet halfway between Mount Vernon, SD and Carter, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.842323 and -99.484917, or 43º 50' 32.3628" N, 99º 29' 5.7012" W. This location is 69.37 miles away from Mount Vernon, SD and Carter, SD and it would take approximately 1 hour 17 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Oacoma, SD, situated 60 miles from Mount Vernon, SD and 79 miles from Carter, SD. It would take 49 minutes to go from Mount Vernon to Oacoma and 1 hour 34 mins to go from Carter to Oacoma.