Distance between cities › USA › South Dakota › Sioux Falls, SD › Distance from Sioux Falls to Alpha Book Hotels

Distance from Sioux Falls, SD to Alpha, MN

Distance

99 mi

Time

1 hour 50 mins

Gas Cost

$9 - $18

There are 93.32 miles from Sioux Falls to Alpha in east direction and 99 miles (159.33 kilometers) by car, following the I-90 route.

Sioux Falls and Alpha are 1 hour 50 mins far apart, if you drive non-stop .

This is the fastest route from Sioux Falls, SD to Alpha, MN. The halfway point is Rushmore, MN.

Sioux Falls, SD and Alpha, MN are in the same time zone (CDT). Current time in both locations is 5:54 pm.

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Lowest Price Rental Cars in Sioux Falls, SD

Planning on renting a car to go from Sioux Falls, SD to Alpha, MN? Here there are some offers to rent a car in Sioux Falls, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Sioux Falls »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 3.97 gallons of gas to cover the route between Sioux Falls, SD and Alpha, MN.

The estimated cost of gas to go from Sioux Falls to Alpha is $12.94.

During the route, an average car will release 77.71 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 Sioux Falls, SD and Alpha, MN

If you want to meet halfway between Sioux Falls, SD and Alpha, MN or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.637627 and -95.826202, or 43º 38' 15.4572" N, 95º 49' 34.3272" W. This location is 49.38 miles away from Sioux Falls, SD and Alpha, MN and it would take approximately 55 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Rushmore, MN, situated 53 miles from Sioux Falls, SD and 49 miles from Alpha, MN. It would take 50 minutes to go from Sioux Falls to Rushmore and 47 minutes to go from Alpha to Rushmore.