Distance between Boston, MA (BOS) and Baltimore, MD (BWI)
Flight distance from Boston to Baltimore (Logan International Airport – Baltimore–Washington International Airport) is 370 miles / 595 kilometers / 321 nautical miles. Estimated flight time is 1 hour 11 minutes.
Driving distance from Boston (BOS) to Baltimore (BWI) is 410 miles / 660 kilometers and travel time by car is about 7 hours 47 minutes.
Calculate Distance
Search by airport name, city or IATA airport code.
Multiple airports
Boston - Baltimore
Map of flight path and driving directions from Boston to Baltimore.
Shortest flight path between Logan International Airport (BOS) and Baltimore–Washington International Airport (BWI).
How far is Baltimore from Boston?
There are several ways to calculate distances between Boston and Baltimore. Here are two common methods:
Vincenty's formula (applied above)- 369.563 miles
- 594.754 kilometers
- 321.142 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- 369.129 miles
- 594.055 kilometers
- 320.764 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).
Airport information
| A | Logan International Airport |
|---|---|
| City: | Boston, MA |
| Country: | United States  |
| IATA Code: | BOS |
| ICAO Code: | KBOS |
| Coordinates: | 42°21′51″N, 71°0′18″W |
| B | 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 |
Time difference and current local times
There is no time difference between Boston and Baltimore.
Time Difference
Boston, MA
Baltimore, MD
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 79 kg (175 pounds).
Frequent Flyer Miles Calculator
Boston (BOS) → Baltimore (BWI).
In total
Round trip?