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

Distance from Dewey, SD to Howard, CO

Distance

481 mi

Time

9 hours 27 mins

Gas Cost

$45 - $87

There are 363.40 miles from Dewey to Howard in southwest direction and 481 miles (774.09 kilometers) by car, following the I-25 route.

Dewey and Howard are 9 hours 27 mins far apart, if you drive non-stop .

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

Dewey, SD and Howard, CO are in the same time zone (MDT). Current time in both locations is 7:26 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Howard, 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 19.32 gallons of gas to cover the route between Dewey, SD and Howard, CO.

The estimated cost of gas to go from Dewey to Howard is $63.02.

During the route, an average car will release 378.50 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 Howard, CO

If you want to meet halfway between Dewey, SD and Howard, CO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.041916 and -104.893091, or 41º 2' 30.8976" N, 104º 53' 35.1276" W. This location is 240.52 miles away from Dewey, SD and Howard, CO and it would take approximately 4 hours 43 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Cheyenne, WY, situated 231 miles from Dewey, SD and 252 miles from Howard, CO. It would take 4 hours 16 mins to go from Dewey to Cheyenne and 5 hours 14 mins to go from Howard to Cheyenne.