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

Distance from Dewey, SD to Rockbridge, IL

Distance

967 mi

Time

18 hours 31 mins

Gas Cost

$90 - $175

There are 774 miles from Dewey to Rockbridge in southeast direction and 967 miles (1,556.24 kilometers) by car, following the I-80 route.

Dewey and Rockbridge are 18 hours 31 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Rockbridge, IL.

Please note the time difference between Dewey, SD and Rockbridge, IL is 1 hour. The current time in Dewey is 1:53 pm and the current time in Rockbridge is 2:53 pm.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Rockbridge, IL? 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 38.82 gallons of gas to cover the route between Dewey, SD and Rockbridge, IL.

The estimated cost of gas to go from Dewey to Rockbridge is $126.63.

During the route, an average car will release 760.55 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 Rockbridge, IL

If you want to meet halfway between Dewey, SD and Rockbridge, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.821251 and -97.694772, or 40º 49' 16.5036" N, 97º 41' 41.1792" W. This location is 483.30 miles away from Dewey, SD and Rockbridge, IL and it would take approximately 9 hours 15 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Bradshaw, NE, situated 452 miles from Dewey, SD and 488 miles from Rockbridge, IL. It would take 9 hours 24 mins to go from Dewey to Bradshaw and 9 hours 20 mins to go from Rockbridge to Bradshaw.