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

Distance from Dewey, SD to Walden, CO

Distance

302 mi

Time

6 hours 12 mins

Gas Cost

$28 - $55

There are 224.96 miles from Dewey to Walden in southwest direction and 302 miles (486.02 kilometers) by car, following the US-85 route.

Dewey and Walden are 6 hours 12 mins far apart, if you drive non-stop .

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

Dewey, SD and Walden, CO are in the same time zone (MDT). Current time in both locations is 9:09 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Walden, 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 12.14 gallons of gas to cover the route between Dewey, SD and Walden, CO.

The estimated cost of gas to go from Dewey to Walden is $39.59.

During the route, an average car will release 237.79 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 Walden, CO

If you want to meet halfway between Dewey, SD and Walden, CO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.195951 and -105.00573, or 42º 11' 45.4236" N, 105º 0' 20.628" W. This location is 151.11 miles away from Dewey, SD and Walden, CO and it would take approximately 3 hours 6 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 151 miles from Walden, CO. It would take 3 hours 20 mins to go from Dewey to Uva and 3 hours 24 mins to go from Walden to Uva.