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

Distance from Keyapaha, SD to Ruston, WA

Distance

1,380 mi

Time

1 day 1 hour

Gas Cost

$129 - $250

There are 1,122.58 miles from Keyapaha to Ruston in northwest direction and 1,380 miles (2,220.89 kilometers) by car, following the I-90 route.

Keyapaha and Ruston are 1 day 1 hour far apart, if you drive non-stop .

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

Please note the time difference between Keyapaha, SD and Ruston, WA is 2 hours. The current time in Keyapaha is 5:11 pm and the current time in Ruston is 3:11 pm.

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Lowest Price Rental Cars in Keyapaha, SD

Planning on renting a car to go from Keyapaha, SD to Ruston, 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 55.42 gallons of gas to cover the route between Keyapaha, SD and Ruston, WA.

The estimated cost of gas to go from Keyapaha to Ruston is $180.79.

During the route, an average car will release 1,085.86 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 Ruston, WA

If you want to meet halfway between Keyapaha, SD and Ruston, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.802133 and -111.229831, or 45º 48' 7.6788" N, 111º 13' 47.3916" W. This location is 690.02 miles away from Keyapaha, SD and Ruston, WA and it would take approximately 12 hours 35 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Belgrade, MT, situated 696 miles from Keyapaha, SD and 686 miles from Ruston, WA. It would take 12 hours 59 mins to go from Keyapaha to Belgrade and 12 hours 15 mins to go from Ruston to Belgrade.