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

Distance from Mount Vernon, SD to Guymon, OK

Distance

625 mi

Time

12 hours 38 mins

Gas Cost

$58 - $113

There are 514.36 miles from Mount Vernon to Guymon in southwest direction and 625 miles (1,005.84 kilometers) by car, following the US-83 route.

Mount Vernon and Guymon are 12 hours 38 mins far apart, if you drive non-stop .

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

Mount Vernon, SD and Guymon, OK are in the same time zone (CDT). Current time in both locations is 9:45 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 Guymon, OK? 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 25.11 gallons of gas to cover the route between Mount Vernon, SD and Guymon, OK.

The estimated cost of gas to go from Mount Vernon to Guymon is $81.91.

During the route, an average car will release 491.95 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 $3.26 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 Guymon, OK

If you want to meet halfway between Mount Vernon, SD and Guymon, OK or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.440177 and -99.88997, or 40º 26' 24.6372" N, 99º 53' 23.892" W. This location is 312.62 miles away from Mount Vernon, SD and Guymon, OK and it would take approximately 6 hours 19 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Arapahoe, NE, situated 317 miles from Mount Vernon, SD and 308 miles from Guymon, OK. It would take 6 hours 34 mins to go from Mount Vernon to Arapahoe and 6 hours 4 mins to go from Guymon to Arapahoe.