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

Distance from Dewey, SD to Adelphi, OH

Distance

1,392 mi

Time

1 day 1 hour

Gas Cost

$130 - $252

There are 1,133.68 miles from Dewey to Adelphi in southeast direction and 1,392 miles (2,240.21 kilometers) by car, following the I-90 and US-14 route.

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

This is the fastest route from Dewey, SD to Adelphi, OH. The halfway point is Buckeye, IA.

Please note the time difference between Dewey, SD and Adelphi, OH is 2 hours. The current time in Dewey is 1:45 am and the current time in Adelphi is 3:45 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Adelphi, 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 55.89 gallons of gas to cover the route between Dewey, SD and Adelphi, OH.

The estimated cost of gas to go from Dewey to Adelphi is $182.30.

During the route, an average car will release 1,094.91 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 Adelphi, OH

If you want to meet halfway between Dewey, SD and Adelphi, OH or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.461796 and -93.349335, or 42º 27' 42.4656" N, 93º 20' 57.606" W. This location is 695.78 miles away from Dewey, SD and Adelphi, OH and it would take approximately 12 hours 45 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Buckeye, IA, situated 675 miles from Dewey, SD and 707 miles from Adelphi, OH. It would take 10 hours 10 mins to go from Dewey to Buckeye and 11 hours to go from Adelphi to Buckeye.