How far is Chicago, IL, from Florence?

The distance between Florence (Florence Airport) and Chicago (Chicago O'Hare International Airport) is 4696 miles / 7557 kilometers / 4081 nautical miles.

Distance from Florence to Chicago

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

Vincenty's formula (applied above)

• 4695.825 miles
• 7557.198 kilometers
• 4080.561 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

• 4683.473 miles
• 7537.320 kilometers
• 4069.827 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 Florence to Chicago?

The estimated flight time from Florence Airport to Chicago O'Hare International Airport is 9 hours and 23 minutes.

What is the time difference between Florence and Chicago?

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

Flight carbon footprint between Florence Airport (FLR) and Chicago O'Hare International Airport (ORD)

On average, flying from Florence to Chicago generates about 544 kg of CO2 per passenger, and 544 kilograms equals 1 200 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Florence to Chicago

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

Airport information

Origin	Florence Airport
City:	Florence
Country:	Italy
IATA Code:	FLR
ICAO Code:	LIRQ
Coordinates:	43°48′36″N, 11°12′18″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