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

Distance from Harrison, SD to Altamont, SD

Distance

200 mi

Time

3 hours 35 mins

Gas Cost

$18 - $34

There are 133.40 miles from Harrison to Altamont in northeast direction and 200 miles (321.87 kilometers) by car, following the I-90 route.

Harrison and Altamont are 3 hours 35 mins far apart, if you drive non-stop .

This is the fastest route from Harrison, SD to Altamont, SD. The halfway point is Montrose, SD.

Harrison, SD and Altamont, SD are in the same time zone (CDT). Current time in both locations is 9:53 pm.

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Lowest Price Rental Cars in Harrison, SD

Planning on renting a car to go from Harrison, SD to Altamont, SD? 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 8.04 gallons of gas to cover the route between Harrison, SD and Altamont, SD.

The estimated cost of gas to go from Harrison to Altamont is $24.91.

During the route, an average car will release 157.57 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 $3.10 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Harrison, SD and Altamont, SD

If you want to meet halfway between Harrison, SD and Altamont, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.666435 and -97.139450, or 43º 39' 59.166" N, 97º 8' 22.02" W. This location is 100.13 miles away from Harrison, SD and Altamont, SD and it would take approximately 1 hour 47 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Montrose, SD, situated 91 miles from Harrison, SD and 115 miles from Altamont, SD. It would take 1 hour 32 mins to go from Harrison to Montrose and 1 hour 51 mins to go from Altamont to Montrose.

Major City Closest to Halfway Point

The major city closest to the halfway point between Harrison, SD and Altamont, SD is Sioux Falls, SD, situated 118 miles from Harrison, SD and 96 miles from Altamont, SD. It would take 1 hour 51 mins to go from Harrison to and 1 hour 35 mins to go from Altamont to Sioux Falls.