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

Distance from Harrison, SD to Irwin, PA

Distance

1,163 mi

Time

21 hours 12 mins

Gas Cost

$108 - $211

There are 989.69 miles from Harrison to Irwin in southeast direction and 1,163 miles (1,871.67 kilometers) by car, following the I-90 route.

Harrison and Irwin are 21 hours 12 mins far apart, if you drive non-stop .

This is the fastest route from Harrison, SD to Irwin, PA.

Please note the time difference between Harrison, SD and Irwin, PA is 1 hour. The current time in Harrison is 5:05 am and the current time in Irwin is 6:05 am.

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Lowest Price Rental Cars in Harrison, SD

Planning on renting a car to go from Harrison, SD to Irwin, PA? 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 46.73 gallons of gas to cover the route between Harrison, SD and Irwin, PA.

The estimated cost of gas to go from Harrison to Irwin is $152.42.

During the route, an average car will release 915.47 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 Irwin, PA

If you want to meet halfway between Harrison, SD and Irwin, PA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.735943 and -89.004206, or 42º 44' 9.3948" N, 89º 0' 15.1416" W. This location is 581.75 miles away from Harrison, SD and Irwin, PA and it would take approximately 10 hours 36 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Janesville, WI, situated 575 miles from Harrison, SD and 590 miles from Irwin, PA. It would take 10 hours 22 mins to go from Harrison to Janesville and 11 hours to go from Irwin to Janesville.

Major City Closest to Halfway Point

The major city closest to the halfway point between Harrison, SD and Irwin, PA is Madison, WI, situated 543 miles from Harrison, SD and 629 miles from Irwin, PA. It would take 9 hours 54 mins to go from Harrison to Madison and 11 hours 45 mins to go from Irwin to Madison.