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

Distance from Mount Vernon, SD to Allen, SD

Distance

245 mi

Time

4 hours 22 mins

Gas Cost

$22 - $43

There are 186 miles from Mount Vernon to Allen in west direction and 245 miles (394.29 kilometers) by car, following the I-90 route.

Mount Vernon and Allen are 4 hours 22 mins far apart, if you drive non-stop .

This is the fastest route from Mount Vernon, SD to Allen, SD. The halfway point is Draper, SD.

Please note the time difference between Mount Vernon, SD and Allen, SD is 1 hour. The current time in Mount Vernon is 3:52 am and the current time in Allen is 2:52 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 Allen, 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 9.83 gallons of gas to cover the route between Mount Vernon, SD and Allen, SD.

The estimated cost of gas to go from Mount Vernon to Allen is $30.83.

During the route, an average car will release 192.69 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 Allen, SD

If you want to meet halfway between Mount Vernon, SD and Allen, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.910183 and -100.467049, or 43º 54' 36.6588" N, 100º 28' 1.3764" W. This location is 122.44 miles away from Mount Vernon, SD and Allen, SD and it would take approximately 2 hours 11 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Draper, SD, situated 121 miles from Mount Vernon, SD and 127 miles from Allen, SD. It would take 1 hour 37 mins to go from Mount Vernon to Draper and 2 hours 42 mins to go from Allen to Draper.