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

Distance from Dewey, SD to Frederick, CO

Distance

309 mi

Time

5 hours 37 mins

Gas Cost

$29 - $56

There are 241.54 miles from Dewey to Frederick in south direction and 309 miles (497.29 kilometers) by car, following the I-25 route.

Dewey and Frederick are 5 hours 37 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Frederick, CO.

Dewey, SD and Frederick, CO are in the same time zone (MDT). Current time in both locations is 4:29 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Frederick, CO? 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 12.39 gallons of gas to cover the route between Dewey, SD and Frederick, CO.

The estimated cost of gas to go from Dewey to Frederick is $40.42.

During the route, an average car will release 242.76 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 Frederick, CO

If you want to meet halfway between Dewey, SD and Frederick, CO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.266503 and -105.041064, or 42º 15' 59.4108" N, 105º 2' 27.8304" W. This location is 154.26 miles away from Dewey, SD and Frederick, CO and it would take approximately 2 hours 48 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Uva, WY, situated 144 miles from Dewey, SD and 157 miles from Frederick, CO. It would take 3 hours 20 mins to go from Dewey to Uva and 2 hours 49 mins to go from Frederick to Uva.