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

Distance from Dewey, SD to Ashtabula, OH

Distance

1,402 mi

Time

1 day 1 hour

Gas Cost

$131 - $254

There are 1,182.39 miles from Dewey to Ashtabula in east direction and 1,402 miles (2,256.30 kilometers) by car, following the I-90 and US-14 route.

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

This is the fastest route from Dewey, SD to Ashtabula, OH. The halfway point is Saint Charles, MN.

Please note the time difference between Dewey, SD and Ashtabula, OH is 2 hours. The current time in Dewey is 1:46 am and the current time in Ashtabula is 3:46 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Ashtabula, 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 56.30 gallons of gas to cover the route between Dewey, SD and Ashtabula, OH.

The estimated cost of gas to go from Dewey to Ashtabula is $183.66.

During the route, an average car will release 1,103.10 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 Ashtabula, OH

If you want to meet halfway between Dewey, SD and Ashtabula, OH or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.929272 and -92.061874, or 43º 55' 45.3792" N, 92º 3' 42.7464" W. This location is 700.98 miles away from Dewey, SD and Ashtabula, OH and it would take approximately 12 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 Saint Charles, MN, situated 678 miles from Dewey, SD and 726 miles from Ashtabula, OH. It would take 10 hours 1 min to go from Dewey to Saint Charles and 10 hours 59 mins to go from Ashtabula to Saint Charles.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dewey, SD and Ashtabula, OH is Rochester, MN, situated 665 miles from Dewey, SD and 749 miles from Ashtabula, OH. It would take 9 hours 51 mins to go from Dewey to and 11 hours 19 mins to go from Ashtabula to Rochester.