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

Distance from Custer, SD to Ardmore, SD

Distance

66 mi

Time

1 hour 49 mins

Gas Cost

$6 - $11

There are 51.71 miles from Custer to Ardmore in south direction and 66 miles (106.22 kilometers) by car, following the SD 71 route.

Custer and Ardmore are 1 hour 49 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Ardmore, SD. The halfway point is Hot Springs, SD.

Custer, SD and Ardmore, SD are in the same time zone (MDT). Current time in both locations is 7:06 pm.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Ardmore, SD? 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 2.64 gallons of gas to cover the route between Custer, SD and Ardmore, SD.

The estimated cost of gas to go from Custer to Ardmore is $8.18.

During the route, an average car will release 51.75 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 $3.10 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Custer, SD and Ardmore, SD

If you want to meet halfway between Custer, SD and Ardmore, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.421741 and -103.473991, or 43º 25' 18.2676" N, 103º 28' 26.3676" W. This location is 32.89 miles away from Custer, SD and Ardmore, SD and it would take approximately 54 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hot Springs, SD, situated 31 miles from Custer, SD and 34 miles from Ardmore, SD. It would take 47 minutes to go from Custer to Hot Springs and 1 hour 1 min to go from Ardmore to Hot Springs.