# 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.

## 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.

EDT

EDT

## Carbon dioxide emissions

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

## Frequent Flyer Miles Calculator

Boston (BOS) → Baltimore (BWI).

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

### In total

Total frequent flyer miles:
370

Round trip?