How far is Rockford, IL, from Castries?

The distance between Castries (George F. L. Charles Airport) and Rockford (Chicago Rockford International Airport) is 2566 miles / 4130 kilometers / 2230 nautical miles.

Distance from Castries to Rockford

There are several ways to calculate the distance from Castries to Rockford. Here are two standard methods:

Vincenty's formula (applied above)

• 2566.047 miles
• 4129.653 kilometers
• 2229.834 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

• 2568.790 miles
• 4134.067 kilometers
• 2232.218 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 Castries to Rockford?

The estimated flight time from George F. L. Charles Airport to Chicago Rockford International Airport is 5 hours and 21 minutes.

What is the time difference between Castries and Rockford?

The time difference between Castries and Rockford is 2 hours. Rockford is 2 hours behind Castries.

Flight carbon footprint between George F. L. Charles Airport (SLU) and Chicago Rockford International Airport (RFD)

On average, flying from Castries to Rockford generates about 283 kg of CO2 per passenger, and 283 kilograms equals 624 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Castries to Rockford

See the map of the shortest flight path between George F. L. Charles Airport (SLU) and Chicago Rockford International Airport (RFD).

Airport information

Origin	George F. L. Charles Airport
City:	Castries
Country:	Saint Lucia
IATA Code:	SLU
ICAO Code:	TLPC
Coordinates:	14°1′12″N, 60°59′34″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