Air Miles Calculator logo

How far is Westerly, RI, from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Westerly (Westerly State Airport) is 833 miles / 1341 kilometers / 724 nautical miles.

The driving distance from Chicago (ORD) to Westerly (WST) is 943 miles / 1517 kilometers, and travel time by car is about 17 hours 59 minutes.

Chicago O'Hare International Airport – Westerly State Airport

Distance arrow
833
Miles
Distance arrow
1341
Kilometers
Distance arrow
724
Nautical miles

Search flights

Distance from Chicago to Westerly

There are several ways to calculate the distance from Chicago to Westerly. Here are two standard methods:

Vincenty's formula (applied above)
  • 833.163 miles
  • 1340.847 kilometers
  • 723.999 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 831.009 miles
  • 1337.379 kilometers
  • 722.127 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).

How long does it take to fly from Chicago to Westerly?

The estimated flight time from Chicago O'Hare International Airport to Westerly State Airport is 2 hours and 4 minutes.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Westerly State Airport (WST)

On average, flying from Chicago to Westerly generates about 138 kg of CO2 per passenger, and 138 kilograms equals 304 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Chicago to Westerly

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Westerly State Airport (WST).

Airport information

Origin Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W
Destination 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