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

Distance from Harrison, SD to Alzada, MT

Distance

368 mi

Time

6 hours 21 mins

Gas Cost

$34 - $65

There are 311.37 miles from Harrison to Alzada in northwest direction and 368 miles (592.24 kilometers) by car, following the I-90 route.

Harrison and Alzada are 6 hours 21 mins far apart, if you drive non-stop .

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

Please note the time difference between Harrison, SD and Alzada, MT is 1 hour. The current time in Harrison is 12:50 am (Mar 12) and the current time in Alzada is 11:50 pm (Mar 11).

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Lowest Price Rental Cars in Harrison, SD

Planning on renting a car to go from Harrison, SD to Alzada, 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 14.77 gallons of gas to cover the route between Harrison, SD and Alzada, MT.

The estimated cost of gas to go from Harrison to Alzada is $47.34.

During the route, an average car will release 289.47 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Harrison, SD and Alzada, MT

If you want to meet halfway between Harrison, SD and Alzada, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.85166 and -101.43831, or 43º 51' 5.976" N, 101º 26' 17.916" W. This location is 183.95 miles away from Harrison, SD and Alzada, MT and it would take approximately 3 hours 10 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kadoka, SD, situated 185 miles from Harrison, SD and 184 miles from Alzada, MT. It would take 3 hours 12 mins to go from Harrison to Kadoka and 3 hours 15 mins to go from Alzada to Kadoka.