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

Distance from Dewey, SD to Rock, MI

Distance

1,058 mi

Time

19 hours 53 mins

Gas Cost

$99 - $192

There are 843.99 miles from Dewey to Rock in northeast direction and 1,058 miles (1,702.69 kilometers) by car, following the I-90 and US-14 route.

Dewey and Rock are 19 hours 53 mins far apart, if you drive non-stop .

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

Please note the time difference between Dewey, SD and Rock, MI is 2 hours. The current time in Dewey is 7:40 am and the current time in Rock is 9:40 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Rock, 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 42.50 gallons of gas to cover the route between Dewey, SD and Rock, MI.

The estimated cost of gas to go from Dewey to Rock is $138.63.

During the route, an average car will release 832.65 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 Rock, MI

If you want to meet halfway between Dewey, SD and Rock, MI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.638364 and -95.011703, or 43º 38' 18.1104" N, 95º 0' 42.1308" W. This location is 529.12 miles away from Dewey, SD and Rock, MI and it would take approximately 9 hours 56 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Jackson, MN, situated 520 miles from Dewey, SD and 541 miles from Rock, MI. It would take 9 hours 14 mins to go from Dewey to Jackson and 10 hours 45 mins to go from Rock to Jackson.