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

Distance from Reliance, SD to Rockham, SD

Distance

107 mi

Time

2 hours 38 mins

Gas Cost

$10 - $19

There are 80.58 miles from Reliance to Rockham in northeast direction and 107 miles (172.20 kilometers) by car, following the SD 47 route.

Reliance and Rockham are 2 hours 38 mins far apart, if you drive non-stop .

This is the fastest route from Reliance, SD to Rockham, SD. The halfway point is Gann Valley, SD.

Reliance, SD and Rockham, SD are in the same time zone (CDT). Current time in both locations is 10:48 pm.

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Lowest Price Rental Cars in Reliance, SD

Planning on renting a car to go from Reliance, SD to Rockham, 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 4.30 gallons of gas to cover the route between Reliance, SD and Rockham, SD.

The estimated cost of gas to go from Reliance to Rockham is $13.50.

During the route, an average car will release 84.34 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 Rockham, SD

If you want to meet halfway between Reliance, SD and Rockham, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.186375 and -98.986671, or 44º 11' 10.95" N, 98º 59' 12.0156" W. This location is 53.59 miles away from Reliance, SD and Rockham, SD and it would take approximately 1 hour 19 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Gann Valley, SD, situated 58 miles from Reliance, SD and 68 miles from Rockham, SD. It would take 1 hour 1 min to go from Reliance to Gann Valley and 1 hour 43 mins to go from Rockham to Gann Valley.