How far is Chicago, IL, from Cardiff?

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

Distance from Cardiff to Chicago

There are several ways to calculate the distance from Cardiff to Chicago. 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 Cardiff to Chicago?

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

What is the time difference between Cardiff and Chicago?

The time difference between Cardiff and Chicago is 6 hours. Chicago is 6 hours behind Cardiff.

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

On average, flying from Cardiff to Chicago 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 Cardiff to Chicago

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

Airport information

Origin	Cardiff Airport
City:	Cardiff
Country:	United Kingdom
IATA Code:	CWL
ICAO Code:	EGFF
Coordinates:	51°23′48″N, 3°20′35″W

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