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

Distance from Harrison, SD to Sully, IA

Distance

408 mi

Time

7 hours 54 mins

Gas Cost

$38 - $74

There are 316.36 miles from Harrison to Sully in southeast direction and 408 miles (656.61 kilometers) by car, following the I-29 route.

Harrison and Sully are 7 hours 54 mins far apart, if you drive non-stop .

This is the fastest route from Harrison, SD to Sully, IA.

Harrison, SD and Sully, IA are in the same time zone (CDT). Current time in both locations is 2:25 am.

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Lowest Price Rental Cars in Harrison, SD

Planning on renting a car to go from Harrison, SD to Sully, IA? 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 16.38 gallons of gas to cover the route between Harrison, SD and Sully, IA.

The estimated cost of gas to go from Harrison to Sully is $53.44.

During the route, an average car will release 320.95 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 Sully, IA

If you want to meet halfway between Harrison, SD and Sully, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.808112 and -96.06117, or 41º 48' 29.2032" N, 96º 3' 40.212" W. This location is 203.95 miles away from Harrison, SD and Sully, IA and it would take approximately 3 hours 57 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Little Sioux, IA, situated 213 miles from Harrison, SD and 199 miles from Sully, IA. It would take 4 hours 20 mins to go from Harrison to Little Sioux and 3 hours 44 mins to go from Sully to Little Sioux.