How far is Rockford, IL, from London?

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

Distance from London to Rockford

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

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

What is the time difference between London and Rockford?

The time difference between London and Rockford is 6 hours. Rockford is 6 hours behind London.

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

On average, flying from London to Rockford 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 London to Rockford

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

Airport information

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