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

Distance from Mount Vernon, SD to Keldron, SD

Distance

331 mi

Time

6 hours

Gas Cost

$30 - $58

There are 231.95 miles from Mount Vernon to Keldron in northwest direction and 331 miles (532.69 kilometers) by car, following the I-90 route.

Mount Vernon and Keldron are 6 hours far apart, if you drive non-stop .

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

Please note the time difference between Mount Vernon, SD and Keldron, SD is 1 hour. The current time in Mount Vernon is 8:19 am and the current time in Keldron is 7:19 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 Keldron, 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 13.29 gallons of gas to cover the route between Mount Vernon, SD and Keldron, SD.

The estimated cost of gas to go from Mount Vernon to Keldron is $41.67.

During the route, an average car will release 260.42 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 Keldron, SD

If you want to meet halfway between Mount Vernon, SD and Keldron, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.530801 and -100.068896, or 44º 31' 50.8836" N, 100º 4' 8.0256" W. This location is 165.49 miles away from Mount Vernon, SD and Keldron, SD and it would take approximately 3 hours to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Blunt, SD, situated 163 miles from Mount Vernon, SD and 176 miles from Keldron, SD. It would take 2 hours 48 mins to go from Mount Vernon to Blunt and 3 hours 20 mins to go from Keldron to Blunt.