# Distance between Baltimore, MD (BWI) and Boston, MA (BOS)

Flight distance from Baltimore to Boston (Baltimore–Washington International Airport – Logan International Airport) is 370 miles / 595 kilometers / 321 nautical miles. Estimated flight time is 1 hour 11 minutes.

Driving distance from Baltimore (BWI) to Boston (BOS) is 410 miles / 660 kilometers and travel time by car is about 7 hours 46 minutes.

## Map of flight path and driving directions from Baltimore to Boston.

Shortest flight path between Baltimore–Washington International Airport (BWI) and Logan International Airport (BOS).

## How far is Boston from Baltimore?

There are several ways to calculate distances between Baltimore and Boston. 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 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

B Logan International Airport
City: Boston, MA
Country: United States
IATA Code: BOS
ICAO Code: KBOS
Coordinates: 42°21′51″N, 71°0′18″W

## Time difference and current local times

There is no time difference between Baltimore and Boston.

EDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 79 kg (175 pounds).

## Frequent Flyer Miles Calculator

Baltimore (BWI) → Boston (BOS).

Distance:
370
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
370

Round trip?