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

Distance from Mount Vernon, SD to Armour, SD

Distance

40 mi

Time

53 minutes

Gas Cost

$4 - $7

There are 27.42 miles from Mount Vernon to Armour in south direction and 40 miles (64.37 kilometers) by car, following the US-281 route.

Mount Vernon and Armour are 53 minutes far apart, if you drive non-stop .

This is the fastest route from Mount Vernon, SD to Armour, SD. The halfway point is Stickney, SD.

Mount Vernon, SD and Armour, SD are in the same time zone (CDT). Current time in both locations is 3:51 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 Armour, 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 1.59 gallons of gas to cover the route between Mount Vernon, SD and Armour, SD.

The estimated cost of gas to go from Mount Vernon to Armour is $4.99.

During the route, an average car will release 31.17 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 Armour, SD

If you want to meet halfway between Mount Vernon, SD and Armour, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.573181 and -98.440750, or 43º 34' 23.4516" N, 98º 26' 26.7" W. This location is 19.81 miles away from Mount Vernon, SD and Armour, SD and it would take approximately 26 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Stickney, SD, situated 18 miles from Mount Vernon, SD and 22 miles from Armour, SD. It would take 19 minutes to go from Mount Vernon to Stickney and 31 minutes to go from Armour to Stickney.