Distance between cities › USA › South Dakota › Dewey, SD › Distance from Dewey to Baltimore–Washington International Airport Book Hotels

Distance from Dewey, SD to BWI Airport

Distance

1,702 mi

Time

1 day 7 hours

Gas Cost

$159 - $309

Helpful Inaccurate

There are 1,444.23 miles from Dewey to Baltimore–Washington International Airport (BWI) in east direction and 1,702 miles (2,739.10 kilometers) by car, following the I-90 and US-14 route.

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

This is the fastest route from Dewey, SD to BWI Airport. The halfway point is Wisconsin Dells, WI.

Please note the time difference between Dewey, SD and BWI Airport is 2 hours. The current time in Dewey is 1:44 am and the current time in BWI Airport is 3:44 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to BWI Airport? 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 68.37 gallons of gas to cover the route between Dewey, SD and BWI Airport.

The estimated cost of gas to go from Dewey to BWI Airport is $223.03.

During the route, an average car will release 1,339.57 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 BWI Airport

If you want to meet halfway between Dewey, SD and BWI Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.621300 and -89.739975, or 43º 37' 16.68" N, 89º 44' 23.91" W. This location is 851.25 miles away from Dewey, SD and BWI Airport and it would take approximately 15 hours 31 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Wisconsin Dells, WI, situated 808 miles from Dewey, SD and 897 miles from BWI Airport. It would take 11 hours 55 mins to go from Dewey to Wisconsin Dells and 13 hours 38 mins to go from BWI to Wisconsin Dells.