Distance between cities › USA › Wyoming › Shell, WY › Distance from Shell to Custer Book Hotels

Distance from Shell, WY to Custer, WA

Distance

1,011 mi

Time

18 hours 18 mins

Gas Cost

$94 - $183

There are 764.42 miles from Shell to Custer in northwest direction and 1,011 miles (1,627.05 kilometers) by car, following the I-90 route.

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

This is the fastest route from Shell, WY to Custer, WA.

Please note the time difference between Shell, WY and Custer, WA is 1 hour. The current time in Shell is 9:01 am and the current time in Custer is 8:01 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Shell, WY to Custer, WA:

Lowest Price Rental Cars in Shell, WY

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Shell »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 40.60 gallons of gas to cover the route between Shell, WY and Custer, WA.

The estimated cost of gas to go from Shell to Custer is $132.45.

During the route, an average car will release 795.50 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 Shell, WY and Custer, WA

If you want to meet halfway between Shell, WY and Custer, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 47.297399 and -115.139137, or 47º 17' 50.6364" N, 115º 8' 20.8932" W. This location is 505.51 miles away from Shell, WY and Custer, WA and it would take approximately 9 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 Saint Regis, MT, situated 511 miles from Shell, WY and 501 miles from Custer, WA. It would take 8 hours 56 mins to go from Shell to Saint Regis and 9 hours 25 mins to go from Custer to Saint Regis.