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

Distance from Shell, WY to Challis, ID

Distance

455 mi

Time

9 hours 58 mins

Gas Cost

$42 - $82

There are 317.78 miles from Shell to Challis in west direction and 455 miles (732.25 kilometers) by car, following the US-93 route.

Shell and Challis are 9 hours 58 mins far apart, if you drive non-stop .

This is the fastest route from Shell, WY to Challis, ID.

Shell, WY and Challis, ID are in the same time zone (MDT). Current time in both locations is 7:38 am.

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Lowest Price Rental Cars in Shell, WY

Planning on renting a car to go from Shell, WY to Challis, ID? 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 18.26 gallons of gas to cover the route between Shell, WY and Challis, ID.

The estimated cost of gas to go from Shell to Challis is $59.57.

During the route, an average car will release 357.79 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 Challis, ID

If you want to meet halfway between Shell, WY and Challis, ID or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.594325 and -111.336127, or 44º 35' 39.57" N, 111º 20' 10.0572" W. This location is 227.36 miles away from Shell, WY and Challis, ID and it would take approximately 4 hours 59 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Island Park, ID, situated 229 miles from Shell, WY and 226 miles from Challis, ID. It would take 5 hours 35 mins to go from Shell to Island Park and 4 hours 23 mins to go from Challis to Island Park.