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

Distance from Dewey, SD to White Marsh, MD

Distance

1,714 mi

Time

1 day 7 hours

Gas Cost

$160 - $311

There are 1,449.75 miles from Dewey to White Marsh in east direction and 1,714 miles (2,758.42 kilometers) by car, following the I-90 and US-14 route.

Dewey and White Marsh are 1 day 7 hours far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to White Marsh, MD.

Please note the time difference between Dewey, SD and White Marsh, MD is 2 hours. The current time in Dewey is 5:23 am and the current time in White Marsh is 7:23 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to White Marsh, MD? 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 68.82 gallons of gas to cover the route between Dewey, SD and White Marsh, MD.

The estimated cost of gas to go from Dewey to White Marsh is $224.50.

During the route, an average car will release 1,348.38 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 White Marsh, MD

If you want to meet halfway between Dewey, SD and White Marsh, MD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.500965 and -89.508621, or 43º 30' 3.474" N, 89º 30' 31.0356" W. This location is 856.85 miles away from Dewey, SD and White Marsh, MD and it would take approximately 15 hours 38 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Portage, WI, situated 829 miles from Dewey, SD and 891 miles from White Marsh, MD. It would take 14 hours 47 mins to go from Dewey to Portage and 16 hours 39 mins to go from White Marsh to Portage.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dewey, SD and White Marsh, MD is Madison, WI, situated 861 miles from Dewey, SD and 861 miles from White Marsh, MD. It would take 15 hours 30 mins to go from Dewey to Madison and 16 hours 12 mins to go from White Marsh to Madison.