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

Distance from Mount Vernon, SD to Agar, SD

Distance

183 mi

Time

3 hours 11 mins

Gas Cost

$16 - $32

There are 118.87 miles from Mount Vernon to Agar in northwest direction and 183 miles (294.51 kilometers) by car, following the I-90 route.

Mount Vernon and Agar are 3 hours 11 mins far apart, if you drive non-stop .

This is the fastest route from Mount Vernon, SD to Agar, SD. The halfway point is Kennebec, SD.

Mount Vernon, SD and Agar, SD are in the same time zone (CDT). Current time in both locations is 3:47 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 Agar, 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 7.33 gallons of gas to cover the route between Mount Vernon, SD and Agar, SD.

The estimated cost of gas to go from Mount Vernon to Agar is $22.98.

During the route, an average car will release 143.63 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 Agar, SD

If you want to meet halfway between Mount Vernon, SD and Agar, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.889214 and -99.845703, or 43º 53' 21.1704" N, 99º 50' 44.5308" W. This location is 91.27 miles away from Mount Vernon, SD and Agar, SD and it would take approximately 1 hour 35 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kennebec, SD, situated 86 miles from Mount Vernon, SD and 98 miles from Agar, SD. It would take 1 hour 9 mins to go from Mount Vernon to Kennebec and 1 hour 58 mins to go from Agar to Kennebec.