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

Distance from Dewey, SD to Vienna, MD

Distance

1,785 mi

Time

1 day 8 hours

Gas Cost

$166 - $324

There are 1,504.10 miles from Dewey to Vienna in southeast direction and 1,785 miles (2,872.68 kilometers) by car, following the I-90 and US-14 route.

Dewey and Vienna are 1 day 8 hours far apart, if you drive non-stop .

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

Please note the time difference between Dewey, SD and Vienna, MD is 2 hours. The current time in Dewey is 6:21 am and the current time in Vienna is 8:21 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Vienna, 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 71.69 gallons of gas to cover the route between Dewey, SD and Vienna, MD.

The estimated cost of gas to go from Dewey to Vienna is $233.86.

During the route, an average car will release 1,404.60 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 Vienna, MD

If you want to meet halfway between Dewey, SD and Vienna, MD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.020807 and -89.247096, or 43º 1' 14.9052" N, 89º 14' 49.5456" W. This location is 892.58 miles away from Dewey, SD and Vienna, MD and it would take approximately 16 hours 29 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is McFarland, WI, situated 865 miles from Dewey, SD and 926 miles from Vienna, MD. It would take 15 hours 27 mins to go from Dewey to McFarland and 17 hours 46 mins to go from Vienna to McFarland.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dewey, SD and Vienna, MD is Madison, WI, situated 861 miles from Dewey, SD and 932 miles from Vienna, MD. It would take 15 hours 30 mins to go from Dewey to Madison and 17 hours 56 mins to go from Vienna to Madison.