How far is Chicago, IL, from Napoli?

The distance between Napoli (Naples International Airport) and Chicago (Chicago O'Hare International Airport) is 4945 miles / 7959 kilometers / 4297 nautical miles.

Distance from Napoli to Chicago

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

Vincenty's formula (applied above)

• 4945.345 miles
• 7958.761 kilometers
• 4297.387 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

• 4932.783 miles
• 7938.544 kilometers
• 4286.471 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 Napoli to Chicago?

The estimated flight time from Naples International Airport to Chicago O'Hare International Airport is 9 hours and 51 minutes.

What is the time difference between Napoli and Chicago?

The time difference between Napoli and Chicago is 7 hours. Chicago is 7 hours behind Napoli.

Flight carbon footprint between Naples International Airport (NAP) and Chicago O'Hare International Airport (ORD)

On average, flying from Napoli to Chicago generates about 577 kg of CO2 per passenger, and 577 kilograms equals 1 271 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Napoli to Chicago

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

Airport information

Origin	Naples International Airport
City:	Napoli
Country:	Italy
IATA Code:	NAP
ICAO Code:	LIRN
Coordinates:	40°53′9″N, 14°17′26″E

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