Distance between cities › USA › South Dakota › Harrisburg, SD › Distance from Harrisburg to Unity Book Hotels

Distance from Harrisburg, SD to Unity, IL

Distance

734 mi

Time

13 hours 37 mins

Gas Cost

$68 - $133

There are 583.87 miles from Harrisburg to Unity in southeast direction and 734 miles (1,181.26 kilometers) by car, following the I-29 route.

Harrisburg and Unity are 13 hours 37 mins far apart, if you drive non-stop .

This is the fastest route from Harrisburg, SD to Unity, IL.

Harrisburg, SD and Unity, IL are in the same time zone (CDT). Current time in both locations is 12:46 am.

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Lowest Price Rental Cars in Harrisburg, SD

Planning on renting a car to go from Harrisburg, SD to Unity, IL? Here there are some offers to rent a car in Harrisburg, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Harrisburg »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 29.49 gallons of gas to cover the route between Harrisburg, SD and Unity, IL.

The estimated cost of gas to go from Harrisburg to Unity is $96.21.

During the route, an average car will release 577.82 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 Harrisburg, SD and Unity, IL

If you want to meet halfway between Harrisburg, SD and Unity, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.020361 and -94.184157, or 39º 1' 13.2996" N, 94º 11' 2.9652" W. This location is 367.19 miles away from Harrisburg, SD and Unity, IL and it would take approximately 6 hours 48 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Grain Valley, MO, situated 383 miles from Harrisburg, SD and 352 miles from Unity, IL. It would take 6 hours 52 mins to go from Harrisburg to Grain Valley and 6 hours 47 mins to go from Unity to Grain Valley.

Major City Closest to Halfway Point

The major city closest to the halfway point between Harrisburg, SD and Unity, IL is Kansas City, MO, situated 357 miles from Harrisburg, SD and 374 miles from Unity, IL. It would take 6 hours 24 mins to go from Harrisburg to Kansas City and 7 hours 13 mins to go from Unity to Kansas City.