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

Distance from Sioux Falls, SD to Allen, SD

Distance

327 mi

Time

5 hours 42 mins

Gas Cost

$29 - $57

There are 261.23 miles from Sioux Falls to Allen in west direction and 327 miles (526.26 kilometers) by car, following the I-90 route.

Sioux Falls and Allen are 5 hours 42 mins far apart, if you drive non-stop .

This is the fastest route from Sioux Falls, SD to Allen, SD. The halfway point is Reliance, SD.

Please note the time difference between Sioux Falls, SD and Allen, SD is 1 hour. The current time in Sioux Falls is 3:45 pm and the current time in Allen is 2:45 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 Allen, SD? 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 13.14 gallons of gas to cover the route between Sioux Falls, SD and Allen, SD.

The estimated cost of gas to go from Sioux Falls to Allen is $41.19.

During the route, an average car will release 257.42 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 $3.14 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 Allen, SD

If you want to meet halfway between Sioux Falls, SD and Allen, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.871166 and -99.674347, or 43º 52' 16.1976" N, 99º 40' 27.6492" W. This location is 163.58 miles away from Sioux Falls, SD and Allen, SD and it would take approximately 2 hours 51 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Reliance, SD, situated 155 miles from Sioux Falls, SD and 174 miles from Allen, SD. It would take 2 hours 4 mins to go from Sioux Falls to Reliance and 3 hours 16 mins to go from Allen to Reliance.