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

Distance from Custer, SD to Grover, WY

Distance

560 mi

Time

11 hours 8 mins

Gas Cost

$52 - $101

There are 375.08 miles from Custer to Grover in west direction and 560 miles (901.23 kilometers) by car, following the US-20 and US-26 route.

Custer and Grover are 11 hours 8 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Grover, WY.

Custer, SD and Grover, WY are in the same time zone (MDT). Current time in both locations is 4:11 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Grover, WY? 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 22.48 gallons of gas to cover the route between Custer, SD and Grover, WY.

The estimated cost of gas to go from Custer to Grover is $73.32.

During the route, an average car will release 440.36 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 Grover, WY

If you want to meet halfway between Custer, SD and Grover, WY or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.142347 and -107.507398, or 43º 8' 32.4492" N, 107º 30' 26.6328" W. This location is 279.83 miles away from Custer, SD and Grover, WY and it would take approximately 5 hours 34 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hiland, WY, situated 269 miles from Custer, SD and 291 miles from Grover, WY. It would take 5 hours 14 mins to go from Custer to Hiland and 5 hours 54 mins to go from Grover to Hiland.