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

Distance from Custer, SD to Fircrest, WA

Distance

1,179 mi

Time

20 hours 52 mins

Gas Cost

$110 - $214

There are 944.35 miles from Custer to Fircrest in northwest direction and 1,179 miles (1,897.42 kilometers) by car, following the I-90 route.

Custer and Fircrest are 20 hours 52 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Fircrest, WA.

Please note the time difference between Custer, SD and Fircrest, WA is 1 hour. The current time in Custer is 4:21 am and the current time in Fircrest is 3:21 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Fircrest, 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 47.36 gallons of gas to cover the route between Custer, SD and Fircrest, WA.

The estimated cost of gas to go from Custer to Fircrest is $154.50.

During the route, an average car will release 927.96 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 Custer, SD and Fircrest, WA

If you want to meet halfway between Custer, SD and Fircrest, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.33866 and -112.742939, or 46º 20' 19.176" N, 112º 44' 34.5804" W. This location is 589.69 miles away from Custer, SD and Fircrest, WA and it would take approximately 10 hours 26 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Deer Lodge, MT, situated 608 miles from Custer, SD and 572 miles from Fircrest, WA. It would take 10 hours 36 mins to go from Custer to Deer Lodge and 10 hours 20 mins to go from Fircrest to Deer Lodge.