Distance between cities › USA › South Dakota › Custer, SD › Distance from Custer to Asotin Book Hotels

Distance from Custer, SD to Asotin, WA

Distance

912 mi

Time

16 hours 55 mins

Gas Cost

$83 - $162

There are 679.16 miles from Custer to Asotin in northwest direction and 912 miles (1,467.72 kilometers) by car, following the I-90 route.

Custer and Asotin are 16 hours 55 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Asotin, WA. The halfway point is Bozeman, MT.

Please note the time difference between Custer, SD and Asotin, WA is 1 hour. The current time in Custer is 8:56 pm and the current time in Asotin is 7:56 pm.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Asotin, WA? Here there are some offers to rent a car in Custer, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Custer »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 36.63 gallons of gas to cover the route between Custer, SD and Asotin, WA.

The estimated cost of gas to go from Custer to Asotin is $117.36.

During the route, an average car will release 717.66 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Custer, SD and Asotin, WA

If you want to meet halfway between Custer, SD and Asotin, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.649445 and -110.936493, or 45º 38' 58.002" N, 110º 56' 11.3748" W. This location is 456.05 miles away from Custer, SD and Asotin, WA and it would take approximately 8 hours 27 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Bozeman, MT, situated 516 miles from Custer, SD and 510 miles from Asotin, WA. It would take 7 hours 44 mins to go from Custer to Bozeman and 7 hours 36 mins to go from Asotin to Bozeman.