Air Miles Calculator

Distance between Charleston, SC (CHS) and Westerly, RI (WST)

Flight distance from Charleston to Westerly (Charleston International Airport – Westerly State Airport) is 738 miles / 1188 kilometers / 642 nautical miles. Estimated flight time is 1 hour 53 minutes.

Driving distance from Charleston (CHS) to Westerly (WST) is 877 miles / 1411 kilometers and travel time by car is about 16 hours 18 minutes.

Map of flight path and driving directions from Charleston to Westerly.

Shortest flight path between Charleston International Airport (CHS) and Westerly State Airport (WST).

How far is Westerly from Charleston?

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

Vincenty's formula (applied above)
  • 738.490 miles
  • 1188.485 kilometers
  • 641.730 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
  • 738.731 miles
  • 1188.872 kilometers
  • 641.940 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 Charleston International Airport
City: Charleston, SC
Country: United States Flag of United States
IATA Code: CHS
ICAO Code: KCHS
Coordinates: 32°53′54″N, 80°2′25″W

B Westerly State Airport
City: Westerly, RI
Country: United States Flag of 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 Charleston and Westerly.

Time Difference

Charleston, SC

 EST

Westerly, RI

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 129 kg (284 pounds).

Frequent Flyer Miles Calculator

Charleston (CHS) → Westerly (WST).

Distance:
738
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
738

Round trip?