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

Distance from Custer, SD to Thorp, WA

Distance

1,065 mi

Time

18 hours 36 mins

Gas Cost

$97 - $189

There are 856.87 miles from Custer to Thorp in northwest direction and 1,065 miles (1,713.95 kilometers) by car, following the I-90 route.

Custer and Thorp are 18 hours 36 mins far apart, if you drive non-stop .

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

Please note the time difference between Custer, SD and Thorp, WA is 1 hour. The current time in Custer is 11:49 pm and the current time in Thorp is 10:49 pm.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Thorp, 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 42.75 gallons of gas to cover the route between Custer, SD and Thorp, WA.

The estimated cost of gas to go from Custer to Thorp is $136.98.

During the route, an average car will release 837.61 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 Thorp, WA

If you want to meet halfway between Custer, SD and Thorp, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.882877 and -111.847122, or 45º 52' 58.3572" N, 111º 50' 49.6392" W. This location is 532.27 miles away from Custer, SD and Thorp, WA and it would take approximately 9 hours 18 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Cardwell, MT, situated 567 miles from Custer, SD and 527 miles from Thorp, WA. It would take 8 hours 21 mins to go from Custer to Cardwell and 7 hours 27 mins to go from Thorp to Cardwell.