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

Distance from Colome, SD to Ralph, SD

Distance

325 mi

Time

7 hours 24 mins

Gas Cost

$29 - $57

There are 239.70 miles from Colome to Ralph in northwest direction and 325 miles (523.04 kilometers) by car, following the SD 34 and SD 63 route.

Colome and Ralph are 7 hours 24 mins far apart, if you drive non-stop .

This is the fastest route from Colome, SD to Ralph, SD.

Please note the time difference between Colome, SD and Ralph, SD is 1 hour. The current time in Colome is 4:41 pm and the current time in Ralph is 3:41 pm.

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Lowest Price Rental Cars in Colome, SD

Planning on renting a car to go from Colome, SD to Ralph, 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 13.04 gallons of gas to cover the route between Colome, SD and Ralph, SD.

The estimated cost of gas to go from Colome to Ralph is $40.88.

During the route, an average car will release 255.45 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 Ralph, SD

If you want to meet halfway between Colome, SD and Ralph, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.401348 and -101.534334, or 44º 24' 4.8528" N, 101º 32' 3.6024" W. This location is 162.33 miles away from Colome, SD and Ralph, SD and it would take approximately 3 hours 42 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Milesville, SD, situated 172 miles from Colome, SD and 161 miles from Ralph, SD. It would take 3 hours 42 mins to go from Colome to Milesville and 4 hours 12 mins to go from Ralph to Milesville.