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

Distance from Dewey, SD to Marion, MS

Distance

1,426 mi

Time

1 day 3 hours

Gas Cost

$133 - $258

There are 1,133.43 miles from Dewey to Marion in southeast direction and 1,426 miles (2,294.92 kilometers) by car, following the I-80 route.

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

This is the fastest route from Dewey, SD to Marion, MS.

Please note the time difference between Dewey, SD and Marion, MS is 1 hour. The current time in Dewey is 4:57 am and the current time in Marion is 5:57 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Dewey, SD to Marion, MS:

Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Marion, MS? 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 57.28 gallons of gas to cover the route between Dewey, SD and Marion, MS.

The estimated cost of gas to go from Dewey to Marion is $186.84.

During the route, an average car will release 1,122.17 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 Marion, MS

If you want to meet halfway between Dewey, SD and Marion, MS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.878845 and -94.844567, or 39º 52' 43.842" N, 94º 50' 40.4412" W. This location is 713.10 miles away from Dewey, SD and Marion, MS and it would take approximately 13 hours 48 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Amazonia, MO, situated 673 miles from Dewey, SD and 754 miles from Marion, MS. It would take 12 hours 47 mins to go from Dewey to Amazonia and 14 hours 56 mins to go from Marion to Amazonia.