How far is Rockford, IL, from London?

The distance between London (London Stansted Airport) and Rockford (Chicago Rockford International Airport) is 4001 miles / 6438 kilometers / 3476 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)

• 4000.574 miles
• 6438.300 kilometers
• 3476.404 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

• 3989.394 miles
• 6420.308 kilometers
• 3466.689 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 Stansted Airport to Chicago Rockford International Airport is 8 hours and 4 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 Stansted Airport (STN) and Chicago Rockford International Airport (RFD)

On average, flying from London to Rockford generates about 456 kg of CO2 per passenger, and 456 kilograms equals 1 006 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 Stansted Airport (STN) and Chicago Rockford International Airport (RFD).

Airport information

Origin	London Stansted Airport
City:	London
Country:	United Kingdom
IATA Code:	STN
ICAO Code:	EGSS
Coordinates:	51°53′5″N, 0°14′5″E

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