How far is Westerly, RI, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Westerly (Westerly State Airport) is 894 miles / 1438 kilometers / 777 nautical miles.
The driving distance from Rockford (RFD) to Westerly (WST) is 1009 miles / 1624 kilometers, and travel time by car is about 19 hours 14 minutes.
Chicago Rockford International Airport – Westerly State Airport
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Distance from Rockford to Westerly
There are several ways to calculate the distance from Rockford to Westerly. Here are two standard methods:
Vincenty's formula (applied above)- 893.836 miles
- 1438.490 kilometers
- 776.722 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- 891.524 miles
- 1434.769 kilometers
- 774.713 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 Rockford to Westerly?
The estimated flight time from Chicago Rockford International Airport to Westerly State Airport is 2 hours and 11 minutes.
What is the time difference between Rockford and Westerly?
The time difference between Rockford and Westerly is 1 hour. Westerly is 1 hour ahead of Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Westerly State Airport (WST)
On average, flying from Rockford to Westerly generates about 143 kg of CO2 per passenger, and 143 kilograms equals 315 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rockford to Westerly
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Westerly State Airport (WST).
Airport information
| Origin | Chicago Rockford International Airport |
|---|---|
| City: | Rockford, IL |
| Country: | United States  |
| IATA Code: | RFD |
| ICAO Code: | KRFD |
| Coordinates: | 42°11′43″N, 89°5′49″W |
| Destination | Westerly State Airport |
|---|---|
| City: | Westerly, RI |
| Country: | United States |
| IATA Code: | WST |
| ICAO Code: | KWST |
| Coordinates: | 41°20′58″N, 71°48′12″W |