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How far is Rockford, IL, from Cardiff?

The distance between Cardiff (Cardiff Airport) and Rockford (Chicago Rockford International Airport) is 3880 miles / 6245 kilometers / 3372 nautical miles.

Cardiff Airport – Chicago Rockford International Airport

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3880
Miles
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6245
Kilometers
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3372
Nautical miles

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Distance from Cardiff to Rockford

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

Vincenty's formula (applied above)
  • 3880.405 miles
  • 6244.906 kilometers
  • 3371.979 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
  • 3869.591 miles
  • 6227.503 kilometers
  • 3362.583 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 Cardiff to Rockford?

The estimated flight time from Cardiff Airport to Chicago Rockford International Airport is 7 hours and 50 minutes.

Flight carbon footprint between Cardiff Airport (CWL) and Chicago Rockford International Airport (RFD)

On average, flying from Cardiff to Rockford generates about 441 kg of CO2 per passenger, and 441 kilograms equals 973 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Cardiff to Rockford

See the map of the shortest flight path between Cardiff Airport (CWL) and Chicago Rockford International Airport (RFD).

Airport information

Origin Cardiff Airport
City: Cardiff
Country: United Kingdom Flag of United Kingdom
IATA Code: CWL
ICAO Code: EGFF
Coordinates: 51°23′48″N, 3°20′35″W
Destination Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W