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

Distance from Dewey, SD to Roberts, IL

Distance

1,067 mi

Time

19 hours 26 mins

Gas Cost

$99 - $193

There are 836.50 miles from Dewey to Roberts in southeast direction and 1,067 miles (1,717.17 kilometers) by car, following the I-90 and US-14 route.

Dewey and Roberts are 19 hours 26 mins far apart, if you drive non-stop .

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

Please note the time difference between Dewey, SD and Roberts, IL is 1 hour. The current time in Dewey is 6:03 am and the current time in Roberts is 7:03 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Dewey, SD to Roberts, IL:

Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Roberts, 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 42.84 gallons of gas to cover the route between Dewey, SD and Roberts, IL.

The estimated cost of gas to go from Dewey to Roberts is $139.75.

During the route, an average car will release 839.34 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 Roberts, IL

If you want to meet halfway between Dewey, SD and Roberts, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.300095 and -96.297356, or 42º 18' 0.342" N, 96º 17' 50.4816" W. This location is 533.37 miles away from Dewey, SD and Roberts, IL and it would take approximately 9 hours 43 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Salix, IA, situated 531 miles from Dewey, SD and 537 miles from Roberts, IL. It would take 9 hours 21 mins to go from Dewey to Salix and 10 hours 10 mins to go from Roberts to Salix.