Distance between cities › USA › South Dakota › Keyapaha, SD › Distance from Keyapaha to Mendon Book Hotels

Distance from Keyapaha, SD to Mendon, NY

Distance

1,346 mi

Time

1 day 2 hours

Gas Cost

$125 - $244

There are 1,139.23 miles from Keyapaha to Mendon in east direction and 1,346 miles (2,166.18 kilometers) by car, following the I-80 route.

Keyapaha and Mendon are 1 day 2 hours far apart, if you drive non-stop .

This is the fastest route from Keyapaha, SD to Mendon, NY.

Please note the time difference between Keyapaha, SD and Mendon, NY is 1 hour. The current time in Keyapaha is 4:03 pm and the current time in Mendon is 5:03 pm.

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Lowest Price Rental Cars in Keyapaha, SD

Planning on renting a car to go from Keyapaha, SD to Mendon, NY? Here there are some offers to rent a car in Keyapaha, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Keyapaha »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 54.04 gallons of gas to cover the route between Keyapaha, SD and Mendon, NY.

The estimated cost of gas to go from Keyapaha to Mendon is $176.27.

During the route, an average car will release 1,058.73 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 Keyapaha, SD and Mendon, NY

If you want to meet halfway between Keyapaha, SD and Mendon, NY or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.367811 and -89.047154, or 41º 22' 4.1196" N, 89º 2' 49.7544" W. This location is 672.78 miles away from Keyapaha, SD and Mendon, NY and it would take approximately 13 hours 4 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is La Salle, IL, situated 678 miles from Keyapaha, SD and 674 miles from Mendon, NY. It would take 13 hours 26 mins to go from Keyapaha to La Salle and 13 hours to go from Mendon to La Salle.