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

Distance from Custer, SD to Cusick, WA

Distance

916 mi

Time

16 hours 19 mins

Gas Cost

$84 - $163

There are 727.41 miles from Custer to Cusick in northwest direction and 916 miles (1,474.16 kilometers) by car, following the I-90 route.

Custer and Cusick are 16 hours 19 mins far apart, if you drive non-stop .

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

Please note the time difference between Custer, SD and Cusick, WA is 1 hour. The current time in Custer is 11:45 pm and the current time in Cusick is 10:45 pm.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Cusick, 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 36.79 gallons of gas to cover the route between Custer, SD and Cusick, WA.

The estimated cost of gas to go from Custer to Cusick is $117.87.

During the route, an average car will release 720.73 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Custer, SD and Cusick, WA

If you want to meet halfway between Custer, SD and Cusick, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.684631 and -110.374878, or 45º 41' 4.6716" N, 110º 22' 29.5608" W. This location is 458 miles away from Custer, SD and Cusick, WA and it would take approximately 8 hours 9 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Springdale, MT, situated 470 miles from Custer, SD and 479 miles from Cusick, WA. It would take 7 hours 5 mins to go from Custer to Springdale and 7 hours 7 mins to go from Cusick to Springdale.