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

Distance from Custer, SD to Garrett, WY

Distance

246 mi

Time

5 hours 46 mins

Gas Cost

$23 - $45

There are 153.51 miles from Custer to Garrett in southwest direction and 246 miles (395.90 kilometers) by car, following the 204 route.

Custer and Garrett are 5 hours 46 mins far apart, if you drive non-stop .

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

Custer, SD and Garrett, WY are in the same time zone (MDT). Current time in both locations is 2:52 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Garrett, 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 9.90 gallons of gas to cover the route between Custer, SD and Garrett, WY.

The estimated cost of gas to go from Custer to Garrett is $32.28.

During the route, an average car will release 193.87 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 Garrett, WY

If you want to meet halfway between Custer, SD and Garrett, WY or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.758009 and -104.755856, or 42º 45' 28.8324" N, 104º 45' 21.0816" W. This location is 123.20 miles away from Custer, SD and Garrett, WY and it would take approximately 2 hours 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 Keeline, WY, situated 125 miles from Custer, SD and 122 miles from Garrett, WY. It would take 2 hours 36 mins to go from Custer to Keeline and 3 hours 10 mins to go from Garrett to Keeline.