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

Distance from Custer, SD to Winlock, WA

Distance

1,229 mi

Time

21 hours 55 mins

Gas Cost

$113 - $219

There are 958.75 miles from Custer to Winlock in west direction and 1,229 miles (1,977.88 kilometers) by car, following the I-90 route.

Custer and Winlock are 21 hours 55 mins far apart, if you drive non-stop .

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

Please note the time difference between Custer, SD and Winlock, WA is 1 hour. The current time in Custer is 11:46 pm and the current time in Winlock is 10:46 pm.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Winlock, 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 49.37 gallons of gas to cover the route between Custer, SD and Winlock, WA.

The estimated cost of gas to go from Custer to Winlock is $158.19.

During the route, an average car will release 967.30 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 Winlock, WA

If you want to meet halfway between Custer, SD and Winlock, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.574696 and -112.887283, or 46º 34' 28.9056" N, 112º 53' 14.2188" W. This location is 614.68 miles away from Custer, SD and Winlock, WA and it would take approximately 10 hours 57 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Garrison, MT, situated 656 miles from Custer, SD and 633 miles from Winlock, WA. It would take 9 hours 31 mins to go from Custer to Garrison and 9 hours 22 mins to go from Winlock to Garrison.