Distance between cities › USA › South Dakota › Harrison, SD › Distance from Harrison to Radium Book Hotels

Distance from Harrison, SD to Radium, MN

Distance

470 mi

Time

8 hours 9 mins

Gas Cost

$44 - $85

There are 344.16 miles from Harrison to Radium in northeast direction and 470 miles (756.39 kilometers) by car, following the I-29 route.

Harrison and Radium are 8 hours 9 mins far apart, if you drive non-stop .

This is the fastest route from Harrison, SD to Radium, MN.

Harrison, SD and Radium, MN are in the same time zone (CDT). Current time in both locations is 8:19 am.

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Lowest Price Rental Cars in Harrison, SD

Planning on renting a car to go from Harrison, SD to Radium, MN? Here there are some offers to rent a car in Harrison, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Harrison »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 18.87 gallons of gas to cover the route between Harrison, SD and Radium, MN.

The estimated cost of gas to go from Harrison to Radium is $61.55.

During the route, an average car will release 369.69 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Harrison, SD and Radium, MN

If you want to meet halfway between Harrison, SD and Radium, MN or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.198844 and -97.054622, or 45º 11' 55.8384" N, 97º 3' 16.6392" W. This location is 234.92 miles away from Harrison, SD and Radium, MN and it would take approximately 4 hours 4 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Summit, SD, situated 235 miles from Harrison, SD and 237 miles from Radium, MN. It would take 3 hours 58 mins to go from Harrison to Summit and 4 hours 15 mins to go from Radium to Summit.