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

Distance from Dewey, SD to Dulac, LA

Distance

1,535 mi

Time

1 day 4 hours

Gas Cost

$143 - $278

There are 1,222.69 miles from Dewey to Dulac in southeast direction and 1,535 miles (2,470.34 kilometers) by car, following the I-49 route.

Dewey and Dulac are 1 day 4 hours far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Dulac, LA.

Please note the time difference between Dewey, SD and Dulac, LA is 1 hour. The current time in Dewey is 3:12 am and the current time in Dulac is 4:12 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Dulac, LA? 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 61.65 gallons of gas to cover the route between Dewey, SD and Dulac, LA.

The estimated cost of gas to go from Dewey to Dulac is $201.09.

During the route, an average car will release 1,207.76 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 Dulac, LA

If you want to meet halfway between Dewey, SD and Dulac, LA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 36.939386 and -97.346878, or 36º 56' 21.7896" N, 97º 20' 48.7608" W. This location is 767.49 miles away from Dewey, SD and Dulac, LA and it would take approximately 14 hours 28 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Braman, OK, situated 745 miles from Dewey, SD and 792 miles from Dulac, LA. It would take 14 hours 24 mins to go from Dewey to Braman and 14 hours 37 mins to go from Dulac to Braman.