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

Distance from Dewey, SD to Irwin, OH

Distance

1,293 mi

Time

1 day

Gas Cost

$120 - $234

There are 1,081.02 miles from Dewey to Irwin in southeast direction and 1,293 miles (2,080.88 kilometers) by car, following the I-90 and US-14 route.

Dewey and Irwin are 1 day far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Irwin, OH.

Please note the time difference between Dewey, SD and Irwin, OH is 2 hours. The current time in Dewey is 4:29 am and the current time in Irwin is 6:29 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Irwin, OH? Here there are some offers to rent a car in Dewey, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Dewey »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 51.92 gallons of gas to cover the route between Dewey, SD and Irwin, OH.

The estimated cost of gas to go from Dewey to Irwin is $169.35.

During the route, an average car will release 1,017.13 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 Dewey, SD and Irwin, OH

If you want to meet halfway between Dewey, SD and Irwin, OH or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.68059 and -92.97073, or 43º 40' 50.124" N, 92º 58' 14.628" W. This location is 646.35 miles away from Dewey, SD and Irwin, OH and it would take approximately 12 hours 5 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Austin, MN, situated 622 miles from Dewey, SD and 671 miles from Irwin, OH. It would take 11 hours 6 mins to go from Dewey to Austin and 13 hours 10 mins to go from Irwin to Austin.