How far is Cluj-Napoca from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Cluj-Napoca (Cluj International Airport) is 5025 miles / 8087 kilometers / 4367 nautical miles.

Distance from Chicago to Cluj-Napoca

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

Vincenty's formula (applied above)

• 5025.115 miles
• 8087.139 kilometers
• 4366.706 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

• 5011.609 miles
• 8065.403 kilometers
• 4354.969 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 Cluj-Napoca?

The estimated flight time from Chicago O'Hare International Airport to Cluj International Airport is 10 hours and 0 minutes.

What is the time difference between Chicago and Cluj-Napoca?

The time difference between Chicago and Cluj-Napoca is 8 hours. Cluj-Napoca is 8 hours ahead of Chicago.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Cluj International Airport (CLJ)

On average, flying from Chicago to Cluj-Napoca generates about 587 kg of CO2 per passenger, and 587 kilograms equals 1 294 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Cluj-Napoca

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

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	Cluj International Airport
City:	Cluj-Napoca
Country:	Romania
IATA Code:	CLJ
ICAO Code:	LRCL
Coordinates:	46°47′6″N, 23°41′10″E