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

Distance from Dewey, SD to Alpha, OH

Distance

1,308 mi

Time

23 hours 46 mins

Gas Cost

$122 - $237

There are 1,064.18 miles from Dewey to Alpha in southeast direction and 1,308 miles (2,105.02 kilometers) by car, following the I-90 and US-14 route.

Dewey and Alpha are 23 hours 46 mins far apart, if you drive non-stop .

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

Please note the time difference between Dewey, SD and Alpha, OH is 2 hours. The current time in Dewey is 1:45 am and the current time in Alpha 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 Alpha, 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 52.54 gallons of gas to cover the route between Dewey, SD and Alpha, OH.

The estimated cost of gas to go from Dewey to Alpha is $171.38.

During the route, an average car will release 1,029.34 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 Alpha, OH

If you want to meet halfway between Dewey, SD and Alpha, OH or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.493141 and -94.651955, or 41º 29' 35.3076" N, 94º 39' 7.038" W. This location is 654.11 miles away from Dewey, SD and Alpha, OH and it would take approximately 11 hours 53 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Adair, IA, situated 660 miles from Dewey, SD and 647 miles from Alpha, OH. It would take 9 hours 41 mins to go from Dewey to Adair and 9 hours 50 mins to go from Alpha to Adair.