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

Distance from Dewey, SD to Fort Carson, CO

Distance

407 mi

Time

7 hours 29 mins

Gas Cost

$38 - $74

There are 333.16 miles from Dewey to Fort Carson in south direction and 407 miles (655.00 kilometers) by car, following the I-25 route.

Dewey and Fort Carson are 7 hours 29 mins far apart, if you drive non-stop .

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

Dewey, SD and Fort Carson, CO are in the same time zone (MDT). Current time in both locations is 4:43 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Fort Carson, 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 16.35 gallons of gas to cover the route between Dewey, SD and Fort Carson, CO.

The estimated cost of gas to go from Dewey to Fort Carson is $53.34.

During the route, an average car will release 320.36 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 Fort Carson, CO

If you want to meet halfway between Dewey, SD and Fort Carson, CO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.655327 and -104.843211, or 41º 39' 19.1772" N, 104º 50' 35.5596" W. This location is 203.58 miles away from Dewey, SD and Fort Carson, CO and it would take approximately 3 hours 44 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Chugwater, WY, situated 188 miles from Dewey, SD and 221 miles from Fort Carson, CO. It would take 3 hours 35 mins to go from Dewey to Chugwater and 3 hours 57 mins to go from Fort Carson to Chugwater.