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

Distance from Dewey, SD to Dundalk, MD

Distance

1,707 mi

Time

1 day 7 hours

Gas Cost

$159 - $309

There are 1,449.83 miles from Dewey to Dundalk in east direction and 1,707 miles (2,747.15 kilometers) by car, following the I-90 and US-14 route.

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

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

Please note the time difference between Dewey, SD and Dundalk, MD is 2 hours. The current time in Dewey is 6:10 am and the current time in Dundalk is 8:10 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Dundalk, 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 68.57 gallons of gas to cover the route between Dewey, SD and Dundalk, MD.

The estimated cost of gas to go from Dewey to Dundalk is $223.67.

During the route, an average car will release 1,343.39 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 Dundalk, MD

If you want to meet halfway between Dewey, SD and Dundalk, MD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.526387 and -89.553542, or 43º 31' 34.9932" N, 89º 33' 12.7512" W. This location is 853.67 miles away from Dewey, SD and Dundalk, MD and it would take approximately 15 hours 35 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 885 miles from Dundalk, MD. It would take 14 hours 47 mins to go from Dewey to Portage and 16 hours 33 mins to go from Dundalk to Portage.