How far is Belfast from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Belfast (Belfast International Airport) is 3643 miles / 5862 kilometers / 3165 nautical miles.

Distance from Chicago to Belfast

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

Vincenty's formula (applied above)

• 3642.596 miles
• 5862.191 kilometers
• 3165.330 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

• 3632.458 miles
• 5845.875 kilometers
• 3156.520 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 Belfast?

The estimated flight time from Chicago O'Hare International Airport to Belfast International Airport is 7 hours and 23 minutes.

What is the time difference between Chicago and Belfast?

The time difference between Chicago and Belfast is 6 hours. Belfast is 6 hours ahead of Chicago.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Belfast International Airport (BFS)

On average, flying from Chicago to Belfast generates about 412 kg of CO2 per passenger, and 412 kilograms equals 908 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Belfast

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

Airport information

Origin	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

Destination	Belfast International Airport
City:	Belfast
Country:	United Kingdom
IATA Code:	BFS
ICAO Code:	EGAA
Coordinates:	54°39′27″N, 6°12′56″W