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).
Time difference and current local times
The time difference between Chicago and Westerly is 1 hour. Westerly is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 137 kg (303 pounds).
Frequent Flyer Miles Calculator
Chicago (MDW) → Westerly (WST).