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

Distance from Dewey, SD to Oakley, MI

Distance

1,140 mi

Time

21 hours 57 mins

Gas Cost

$106 - $207

There are 996.71 miles from Dewey to Oakley in east direction and 1,140 miles (1,834.65 kilometers) by car and ferry, following the I-90 and US-14 route.

Dewey and Oakley are 21 hours 57 mins far apart, if you drive non-stop for 19 hours 27 mins and take a ferry for 2 hours 30 mins .

This is the fastest route from Dewey, SD to Oakley, MI.

Please note the time difference between Dewey, SD and Oakley, MI is 2 hours. The current time in Dewey is 11:04 am and the current time in Oakley is 1:04 pm.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Oakley, MI? 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 45.78 gallons of gas to cover the route between Dewey, SD and Oakley, MI.

The estimated cost of gas to go from Dewey to Oakley is $149.35.

During the route, an average car will release 897.01 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 Oakley, MI

If you want to meet halfway between Dewey, SD and Oakley, MI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.652177 and -94.063651, or 43º 39' 7.8372" N, 94º 3' 49.1436" W. This location is 570.01 miles away from Dewey, SD and Oakley, MI and it would take approximately 10 hours 58 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Blue Earth, MN, situated 566 miles from Dewey, SD and 578 miles from Oakley, MI. It would take 10 hours 5 mins to go from Dewey to Blue Earth and 12 hours 1 min to go from Oakley to Blue Earth.