Distance between cities › USA › South Dakota › Box Elder, SD › Distance from Box Elder to Fort Harrison Book Hotels

Distance from Box Elder, SD to Fort Harrison, MT

Distance

567 mi

Time

10 hours 14 mins

Gas Cost

$53 - $103

There are 470.76 miles from Box Elder to Fort Harrison in northwest direction and 567 miles (912.50 kilometers) by car, following the I-90 route.

Box Elder and Fort Harrison are 10 hours 14 mins far apart, if you drive non-stop .

This is the fastest route from Box Elder, SD to Fort Harrison, MT.

Box Elder, SD and Fort Harrison, MT are in the same time zone (MDT). Current time in both locations is 4:13 am.

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Lowest Price Rental Cars in Box Elder, SD

Planning on renting a car to go from Box Elder, SD to Fort Harrison, MT? Here there are some offers to rent a car in Box Elder, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Box Elder »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 22.76 gallons of gas to cover the route between Box Elder, SD and Fort Harrison, MT.

The estimated cost of gas to go from Box Elder to Fort Harrison is $74.23.

During the route, an average car will release 445.85 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 Box Elder, SD and Fort Harrison, MT

If you want to meet halfway between Box Elder, SD and Fort Harrison, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.743903 and -107.746405, or 45º 44' 38.0508" N, 107º 44' 47.058" W. This location is 283.32 miles away from Box Elder, SD and Fort Harrison, MT and it would take approximately 5 hours 7 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hardin, MT, situated 278 miles from Box Elder, SD and 290 miles from Fort Harrison, MT. It would take 5 hours 14 mins to go from Box Elder to Hardin and 5 hours 5 mins to go from Fort Harrison to Hardin.