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

Distance from Harrison, SD to Circle, MT

Distance

591 mi

Time

10 hours 44 mins

Gas Cost

$55 - $107

There are 439.14 miles from Harrison to Circle in northwest direction and 591 miles (951.12 kilometers) by car, following the I-94 route.

Harrison and Circle are 10 hours 44 mins far apart, if you drive non-stop .

This is the fastest route from Harrison, SD to Circle, MT.

Please note the time difference between Harrison, SD and Circle, MT is 1 hour. The current time in Harrison is 3:43 am and the current time in Circle is 2:43 am.

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Lowest Price Rental Cars in Harrison, SD

Planning on renting a car to go from Harrison, SD to Circle, MT? 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 23.74 gallons of gas to cover the route between Harrison, SD and Circle, MT.

The estimated cost of gas to go from Harrison to Circle is $77.44.

During the route, an average car will release 465.14 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 Circle, MT

If you want to meet halfway between Harrison, SD and Circle, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.836539 and -100.388893, or 46º 50' 11.5404" N, 100º 23' 20.0148" W. This location is 295.58 miles away from Harrison, SD and Circle, MT and it would take approximately 5 hours 22 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is McKenzie, ND, situated 332 miles from Harrison, SD and 262 miles from Circle, MT. It would take 6 hours 28 mins to go from Harrison to McKenzie and 4 hours 21 mins to go from Circle to McKenzie.