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How far is Cardiff from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Cardiff (Cardiff Airport) is 3844 miles / 6187 kilometers / 3340 nautical miles.

Chicago O'Hare International Airport – Cardiff Airport

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3844
Miles
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6187
Kilometers
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3340
Nautical miles

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Distance from Chicago to Cardiff

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

Vincenty's formula (applied above)
  • 3844.140 miles
  • 6186.544 kilometers
  • 3340.466 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
  • 3833.474 miles
  • 6169.378 kilometers
  • 3331.198 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 Chicago to Cardiff?

The estimated flight time from Chicago O'Hare International Airport to Cardiff Airport is 7 hours and 46 minutes.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Cardiff Airport (CWL)

On average, flying from Chicago to Cardiff generates about 437 kg of CO2 per passenger, and 437 kilograms equals 963 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Cardiff

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Cardiff Airport (CWL).

Airport information

Origin Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W
Destination 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