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

The distance between Westerly (Westerly State Airport) and Rockford (Chicago Rockford International Airport) is 894 miles / 1438 kilometers / 777 nautical miles.

The driving distance from Westerly (WST) to Rockford (RFD) is 1015 miles / 1633 kilometers, and travel time by car is about 19 hours 16 minutes.

Distance from Westerly to Rockford

There are several ways to calculate the distance from Westerly to Rockford. 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 Westerly to Rockford?

The estimated flight time from Westerly State Airport to Chicago Rockford International Airport is 2 hours and 11 minutes.

What is the time difference between Westerly and Rockford?

The time difference between Westerly and Rockford is 1 hour. Rockford is 1 hour behind Westerly.

Flight carbon footprint between Westerly State Airport (WST) and Chicago Rockford International Airport (RFD)

On average, flying from Westerly to Rockford 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 Westerly to Rockford

See the map of the shortest flight path between Westerly State Airport (WST) and Chicago Rockford International Airport (RFD).

Airport information

Origin	Westerly State Airport
City:	Westerly, RI
Country:	United States
IATA Code:	WST
ICAO Code:	KWST
Coordinates:	41°20′58″N, 71°48′12″W

Destination	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