How far is London from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and London (London Heathrow Airport) is 3988 miles / 6418 kilometers / 3466 nautical miles.

Distance from Rockford to London

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

Vincenty's formula (applied above)

• 3988.105 miles
• 6418.233 kilometers
• 3465.569 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

• 3976.979 miles
• 6400.328 kilometers
• 3455.900 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 London?

The estimated flight time from Chicago Rockford International Airport to London Heathrow Airport is 8 hours and 3 minutes.

What is the time difference between Rockford and London?

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

Flight carbon footprint between Chicago Rockford International Airport (RFD) and London Heathrow Airport (LHR)

On average, flying from Rockford to London generates about 455 kg of CO2 per passenger, and 455 kilograms equals 1 003 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to London

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

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 Heathrow Airport
City:	London
Country:	United Kingdom
IATA Code:	LHR
ICAO Code:	EGLL
Coordinates:	51°28′14″N, 0°27′42″W