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

Distance from Dewey, SD to Supai, AZ

Distance

1,197 mi

Time

22 hours 16 mins

Gas Cost

$112 - $217

There are 680.56 miles from Dewey to Supai in southwest direction and 1,197 miles (1,926.38 kilometers) by car, following the I-15 route.

Dewey and Supai are 22 hours 16 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Supai, AZ.

Please note the time difference between Dewey, SD and Supai, AZ is 1 hour. The current time in Dewey is 6:13 pm and the current time in Supai is 5:13 pm.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Supai, AZ? 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 48.09 gallons of gas to cover the route between Dewey, SD and Supai, AZ.

The estimated cost of gas to go from Dewey to Supai is $156.86.

During the route, an average car will release 942.14 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 Supai, AZ

If you want to meet halfway between Dewey, SD and Supai, AZ or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.623482 and -111.439563, or 40º 37' 24.5352" N, 111º 26' 22.4268" W. This location is 598.70 miles away from Dewey, SD and Supai, AZ and it would take approximately 11 hours 8 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Deer Valley, UT, situated 568 miles from Dewey, SD and 641 miles from Supai, AZ. It would take 10 hours 21 mins to go from Dewey to Deer Valley and 12 hours 14 mins to go from Supai to Deer Valley.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dewey, SD and Supai, AZ is Salt Lake City, UT, situated 587 miles from Dewey, SD and 638 miles from Supai, AZ. It would take 10 hours 38 mins to go from Dewey to Salt Lake City and 11 hours 59 mins to go from Supai to Salt Lake City.