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

Distance from Reliance, SD to Ardmore, SD

Distance

279 mi

Time

5 hours 5 mins

Gas Cost

$25 - $49

There are 211.76 miles from Reliance to Ardmore in southwest direction and 279 miles (449.01 kilometers) by car, following the I-90 route.

Reliance and Ardmore are 5 hours 5 mins far apart, if you drive non-stop .

This is the fastest route from Reliance, SD to Ardmore, SD. The halfway point is Quinn, SD.

Please note the time difference between Reliance, SD and Ardmore, SD is 1 hour. The current time in Reliance is 6:13 am and the current time in Ardmore is 5:13 am.

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Lowest Price Rental Cars in Reliance, SD

Planning on renting a car to go from Reliance, SD to Ardmore, SD? Here there are some offers to rent a car in Reliance, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Reliance »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 11.21 gallons of gas to cover the route between Reliance, SD and Ardmore, SD.

The estimated cost of gas to go from Reliance to Ardmore is $35.14.

During the route, an average car will release 219.62 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 $3.14 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Reliance, SD and Ardmore, SD

If you want to meet halfway between Reliance, 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 43.908211 and -102.056160, or 43º 54' 29.5596" N, 102º 3' 22.176" W. This location is 139.56 miles away from Reliance, SD and Ardmore, SD and it would take approximately 2 hours 32 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Quinn, SD, situated 141 miles from Reliance, SD and 146 miles from Ardmore, SD. It would take 1 hour 52 mins to go from Reliance to Quinn and 2 hours 41 mins to go from Ardmore to Quinn.