Air Miles Calculator

Distance between Chicago, IL (MDW) and Westerly, RI (WST)

Flight distance from Chicago to Westerly (Chicago Midway International Airport – Westerly State Airport) is 826 miles / 1329 kilometers / 718 nautical miles. Estimated flight time is 2 hours 3 minutes.

Driving distance from Chicago (MDW) to Westerly (WST) is 925 miles / 1489 kilometers and travel time by car is about 16 hours 32 minutes.

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

Shortest flight path between Chicago Midway International Airport (MDW) and Westerly State Airport (WST).

How far is Westerly from Chicago?

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

Vincenty's formula (applied above)
  • 825.967 miles
  • 1329.266 kilometers
  • 717.746 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
  • 823.832 miles
  • 1325.829 kilometers
  • 715.890 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 Chicago Midway International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: MDW
ICAO Code: KMDW
Coordinates: 41°47′9″N, 87°45′8″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

The time difference between Chicago and Westerly is 1 hour. Westerly is 1 hour ahead of Chicago.

Time Difference

Chicago, IL

 CDT

Westerly, RI

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 137 kg (303 pounds).

Frequent Flyer Miles Calculator

Chicago (MDW) → Westerly (WST).

Distance:
826
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
826

Round trip?