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

Distance from Custer, SD to Glenrock, WY

Distance

189 mi

Time

3 hours 47 mins

Gas Cost

$18 - $34

There are 130.26 miles from Custer to Glenrock in southwest direction and 189 miles (304.17 kilometers) by car, following the US-18 and US-85 route.

Custer and Glenrock are 3 hours 47 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Glenrock, WY. The halfway point is Lusk, WY.

Custer, SD and Glenrock, WY are in the same time zone (MDT). Current time in both locations is 10:31 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Glenrock, 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 7.59 gallons of gas to cover the route between Custer, SD and Glenrock, WY.

The estimated cost of gas to go from Custer to Glenrock is $24.77.

During the route, an average car will release 148.76 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 Glenrock, WY

If you want to meet halfway between Custer, SD and Glenrock, WY or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.855366 and -104.411163, or 42º 51' 19.3176" N, 104º 24' 40.1868" W. This location is 94.53 miles away from Custer, SD and Glenrock, WY and it would take approximately 1 hour 53 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Lusk, WY, situated 108 miles from Custer, SD and 81 miles from Glenrock, WY. It would take 1 hour 58 mins to go from Custer to Lusk and 1 hour 20 mins to go from Glenrock to Lusk.