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Distance between Washington D.C. (IAD) and Baltimore, MD (BWI)

Flight distance from Washington D.C. to Baltimore (Washington Dulles International Airport – Baltimore–Washington International Airport) is 45 miles / 73 kilometers / 39 nautical miles. Estimated flight time is 35 minutes.

Driving distance from Washington D.C. (IAD) to Baltimore (BWI) is 58 miles / 93 kilometers and travel time by car is about 1 hour 18 minutes.

Washington D.C. – Baltimore

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45
Miles
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73
Kilometers
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39
Nautical miles

How far is Baltimore from Washington D.C.?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
  • 45.249 miles
  • 72.822 kilometers
  • 39.321 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 45.161 miles
  • 72.680 kilometers
  • 39.244 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Washington D.C. to Baltimore?

Estimated flight time from Washington Dulles International Airport to Baltimore–Washington International Airport is 35 minutes.

What is the time difference between Washington D.C. and Baltimore?

There is no time difference between Washington D.C. and Baltimore.

Flight carbon footprint between Washington Dulles International Airport (IAD) and Baltimore–Washington International Airport (BWI)

On average flying from Washington D.C. to Baltimore generates about 32 kg of CO2 per passenger, 32 kilograms is equal to 70 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Washington D.C. to Baltimore

Shortest flight path between Washington Dulles International Airport (IAD) and Baltimore–Washington International Airport (BWI).

Airport information

Origin Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W
Destination Baltimore–Washington International Airport
City: Baltimore, MD
Country: United States Flag of United States
IATA Code: BWI
ICAO Code: KBWI
Coordinates: 39°10′31″N, 76°40′5″W