How far is Baltimore, MD, from Washington D.C.?
The distance between Washington D.C. (Washington Dulles International Airport) and Baltimore (Baltimore–Washington International Airport) is 45 miles / 73 kilometers / 39 nautical miles.
The 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 Dulles International Airport – Baltimore–Washington International Airport
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Distance from Washington D.C. to Baltimore
There are several ways to calculate the distance from Washington D.C. to Baltimore. Here are two standard 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 planet.
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?
The 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, and 32 kilograms equals 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
See the map of the 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  |
| 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 |
| IATA Code: | BWI |
| ICAO Code: | KBWI |
| Coordinates: | 39°10′31″N, 76°40′5″W |