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

Distance from Colome, SD to Rockham, SD

Distance

156 mi

Time

4 hours 2 mins

Gas Cost

$14 - $27

There are 121.84 miles from Colome to Rockham in northeast direction and 156 miles (251.06 kilometers) by car, following the SD 49 route.

Colome and Rockham are 4 hours 2 mins far apart, if you drive non-stop .

This is the fastest route from Colome, SD to Rockham, SD. The halfway point is Kimball, SD.

Colome, SD and Rockham, SD are in the same time zone (CDT). Current time in both locations is 5:55 pm.

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Lowest Price Rental Cars in Colome, SD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Colome »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 6.25 gallons of gas to cover the route between Colome, SD and Rockham, SD.

The estimated cost of gas to go from Colome to Rockham is $19.60.

During the route, an average car will release 122.49 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 Colome, SD and Rockham, SD

If you want to meet halfway between Colome, 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 43.743011 and -98.969978, or 43º 44' 34.8396" N, 98º 58' 11.9208" W. This location is 77.83 miles away from Colome, SD and Rockham, SD and it would take approximately 2 hours 1 min to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kimball, SD, situated 79 miles from Colome, SD and 89 miles from Rockham, SD. It would take 1 hour 47 mins to go from Colome to Kimball and 2 hours 14 mins to go from Rockham to Kimball.