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

Distance from Mount Vernon, SD to Cairo, WV

Distance

1,146 mi

Time

21 hours 1 min

Gas Cost

$107 - $208

There are 936.55 miles from Mount Vernon to Cairo in southeast direction and 1,146 miles (1,844.31 kilometers) by car, following the I-80 route.

Mount Vernon and Cairo are 21 hours 1 min far apart, if you drive non-stop .

This is the fastest route from Mount Vernon, SD to Cairo, WV.

Please note the time difference between Mount Vernon, SD and Cairo, WV is 1 hour. The current time in Mount Vernon is 10:13 am and the current time in Cairo is 11:13 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 Cairo, WV? 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 46.03 gallons of gas to cover the route between Mount Vernon, SD and Cairo, WV.

The estimated cost of gas to go from Mount Vernon to Cairo is $150.16.

During the route, an average car will release 901.89 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 Cairo, WV

If you want to meet halfway between Mount Vernon, SD and Cairo, WV or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.057427 and -90.333945, or 41º 3' 26.7372" N, 90º 20' 2.202" W. This location is 573.12 miles away from Mount Vernon, SD and Cairo, WV and it would take approximately 10 hours 30 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Henderson, IL, situated 584 miles from Mount Vernon, SD and 571 miles from Cairo, WV. It would take 10 hours 23 mins to go from Mount Vernon to Henderson and 10 hours 58 mins to go from Cairo to Henderson.