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

Distance from Dewey, SD to Basalt, CO

Distance

507 mi

Time

9 hours 35 mins

Gas Cost

$47 - $92

There are 326.59 miles from Dewey to Basalt in southwest direction and 507 miles (815.94 kilometers) by car, following the I-25 route.

Dewey and Basalt are 9 hours 35 mins far apart, if you drive non-stop .

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

Dewey, SD and Basalt, CO are in the same time zone (MDT). Current time in both locations is 4:32 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Basalt, 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 20.36 gallons of gas to cover the route between Dewey, SD and Basalt, CO.

The estimated cost of gas to go from Dewey to Basalt is $66.41.

During the route, an average car will release 398.86 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 Basalt, CO

If you want to meet halfway between Dewey, SD and Basalt, CO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.752419 and -104.992809, or 40º 45' 8.7084" N, 104º 59' 34.1124" W. This location is 253.46 miles away from Dewey, SD and Basalt, CO and it would take approximately 4 hours 47 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Wellington, CO, situated 263 miles from Dewey, SD and 245 miles from Basalt, CO. It would take 4 hours 49 mins to go from Dewey to Wellington and 4 hours 48 mins to go from Basalt to Wellington.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dewey, SD and Basalt, CO is Fort Collins, CO, situated 276 miles from Dewey, SD and 240 miles from Basalt, CO. It would take 5 hours 6 mins to go from Dewey to Fort Collins and 4 hours 48 mins to go from Basalt to Fort Collins.