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

Distance from Keyapaha, SD to Wallula, WA

Distance

1,232 mi

Time

22 hours 16 mins

Gas Cost

$115 - $223

There are 943.53 miles from Keyapaha to Wallula in northwest direction and 1,232 miles (1,982.71 kilometers) by car, following the I-90 route.

Keyapaha and Wallula are 22 hours 16 mins far apart, if you drive non-stop .

This is the fastest route from Keyapaha, SD to Wallula, WA.

Please note the time difference between Keyapaha, SD and Wallula, WA is 2 hours. The current time in Keyapaha is 8:34 pm and the current time in Wallula is 6:34 pm.

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Lowest Price Rental Cars in Keyapaha, SD

Planning on renting a car to go from Keyapaha, SD to Wallula, WA? 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 49.47 gallons of gas to cover the route between Keyapaha, SD and Wallula, WA.

The estimated cost of gas to go from Keyapaha to Wallula is $161.37.

During the route, an average car will release 969.20 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 Wallula, WA

If you want to meet halfway between Keyapaha, SD and Wallula, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.773896 and -109.797577, or 45º 46' 26.0256" N, 109º 47' 51.2772" W. This location is 615.89 miles away from Keyapaha, SD and Wallula, WA and it would take approximately 11 hours 8 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Greycliff, MT, situated 615 miles from Keyapaha, SD and 617 miles from Wallula, WA. It would take 11 hours 40 mins to go from Keyapaha to Greycliff and 10 hours 37 mins to go from Wallula to Greycliff.