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

Distance from Dewey, SD to Confluence, KY

Distance

1,499 mi

Time

1 day 3 hours

Gas Cost

$140 - $272

There are 1,165.86 miles from Dewey to Confluence in southeast direction and 1,499 miles (2,412.41 kilometers) by car, following the I-90 and US-14 route.

Dewey and Confluence are 1 day 3 hours far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Confluence, KY.

Please note the time difference between Dewey, SD and Confluence, KY is 2 hours. The current time in Dewey is 4:38 am and the current time in Confluence is 6:38 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Confluence, KY? 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 60.20 gallons of gas to cover the route between Dewey, SD and Confluence, KY.

The estimated cost of gas to go from Dewey to Confluence is $196.37.

During the route, an average car will release 1,179.40 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 Confluence, KY

If you want to meet halfway between Dewey, SD and Confluence, KY or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.681531 and -93.317995, or 41º 40' 53.5116" N, 93º 19' 4.782" W. This location is 749.47 miles away from Dewey, SD and Confluence, KY and it would take approximately 13 hours 32 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mitchellville, IA, situated 732 miles from Dewey, SD and 770 miles from Confluence, KY. It would take 13 hours to go from Dewey to Mitchellville and 14 hours 11 mins to go from Confluence to Mitchellville.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dewey, SD and Confluence, KY is Des Moines, IA, situated 715 miles from Dewey, SD and 784 miles from Confluence, KY. It would take 12 hours 40 mins to go from Dewey to Des Moines and 14 hours 29 mins to go from Confluence to Des Moines.