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

Distance from Harrison, SD to Ovando, MT

Distance

922 mi

Time

15 hours 57 mins

Gas Cost

$86 - $167

There are 751.46 miles from Harrison to Ovando in northwest direction and 922 miles (1,483.82 kilometers) by car, following the I-90 route.

Harrison and Ovando are 15 hours 57 mins far apart, if you drive non-stop .

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

Please note the time difference between Harrison, SD and Ovando, MT is 1 hour. The current time in Harrison is 8:12 am and the current time in Ovando is 7:12 am.

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Lowest Price Rental Cars in Harrison, SD

Planning on renting a car to go from Harrison, SD to Ovando, 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 37.04 gallons of gas to cover the route between Harrison, SD and Ovando, MT.

The estimated cost of gas to go from Harrison to Ovando is $120.81.

During the route, an average car will release 725.61 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 Ovando, MT

If you want to meet halfway between Harrison, SD and Ovando, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.567891 and -106.13055, or 45º 34' 4.4076" N, 106º 7' 49.98" W. This location is 461.10 miles away from Harrison, SD and Ovando, MT and it would take approximately 7 hours 58 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Ashland, MT, situated 473 miles from Harrison, SD and 455 miles from Ovando, MT. It would take 8 hours 24 mins to go from Harrison to Ashland and 7 hours 47 mins to go from Ovando to Ashland.