# Distance between Baltimore, MD (BWI) and Westerly, RI (WST)

Flight distance from Baltimore to Westerly (Baltimore–Washington International Airport – Westerly State Airport) is 298 miles / 479 kilometers / 259 nautical miles. Estimated flight time is 1 hour 3 minutes.

Driving distance from Baltimore (BWI) to Westerly (WST) is 336 miles / 541 kilometers and travel time by car is about 6 hours 34 minutes.

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

Shortest flight path between Baltimore–Washington International Airport (BWI) and Westerly State Airport (WST).

## How far is Westerly from Baltimore?

There are several ways to calculate distances between Baltimore and Westerly. Here are two common methods:

Vincenty's formula (applied above)
• 297.635 miles
• 478.997 kilometers
• 258.638 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
• 297.183 miles
• 478.270 kilometers
• 258.245 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 Westerly State Airport
City: Westerly, RI
Country: United States
IATA Code: WST
ICAO Code: KWST
Coordinates: 41°20′58″N, 71°48′12″W

## Time difference and current local times

There is no time difference between Baltimore and Westerly.

EDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 69 kg (152 pounds).

## Frequent Flyer Miles Calculator

Baltimore (BWI) → Westerly (WST).

Distance:
298
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
298

Round trip?