How far is Southend from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Southend (London Southend Airport) is 4028 miles / 6483 kilometers / 3501 nautical miles.

Distance from Rockford to Southend

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

Vincenty's formula (applied above)

• 4028.393 miles
• 6483.070 kilometers
• 3500.578 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

• 4017.147 miles
• 6464.971 kilometers
• 3490.805 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 Southend?

The estimated flight time from Chicago Rockford International Airport to London Southend Airport is 8 hours and 7 minutes.

What is the time difference between Rockford and Southend?

The time difference between Rockford and Southend is 6 hours. Southend is 6 hours ahead of Rockford.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and London Southend Airport (SEN)

On average, flying from Rockford to Southend generates about 460 kg of CO2 per passenger, and 460 kilograms equals 1 014 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Southend

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and London Southend Airport (SEN).

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	London Southend Airport
City:	Southend
Country:	United Kingdom
IATA Code:	SEN
ICAO Code:	EGMC
Coordinates:	51°34′17″N, 0°41′44″E