Distance between cities › USA › Oklahoma › Jay, OK › Distance from Jay to Mount Vernon Book Hotels

Distance from Jay, OK to Mount Vernon, SD

Distance

654 mi

Time

11 hours 51 mins

Gas Cost

$61 - $119

There are 535.77 miles from Jay to Mount Vernon in northwest direction and 654 miles (1,052.51 kilometers) by car, following the I-29 and US-6 route.

Jay and Mount Vernon are 11 hours 51 mins far apart, if you drive non-stop .

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

Jay, OK and Mount Vernon, 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 Jay, OK

Planning on renting a car to go from Jay, OK to Mount Vernon, SD? Here there are some offers to rent a car in Jay, OK

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Jay »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 26.27 gallons of gas to cover the route between Jay, OK and Mount Vernon, SD.

The estimated cost of gas to go from Jay to Mount Vernon is $85.68.

During the route, an average car will release 514.64 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 Jay, OK and Mount Vernon, SD

If you want to meet halfway between Jay, OK and Mount Vernon, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.563733 and -95.637613, or 40º 33' 49.4388" N, 95º 38' 15.4068" W. This location is 327.03 miles away from Jay, OK and Mount Vernon, SD and it would take approximately 5 hours 55 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hamburg, IA, situated 342 miles from Jay, OK and 314 miles from Mount Vernon, SD. It would take 6 hours 30 mins to go from Jay to Hamburg and 5 hours 25 mins to go from Mount Vernon to Hamburg.