How far is Pisa from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Pisa (Pisa International Airport) is 4669 miles / 7514 kilometers / 4057 nautical miles.

Distance from Chicago to Pisa

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

Vincenty's formula (applied above)

• 4668.799 miles
• 7513.704 kilometers
• 4057.076 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

• 4656.529 miles
• 7493.957 kilometers
• 4046.413 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 Pisa?

The estimated flight time from Chicago O'Hare International Airport to Pisa International Airport is 9 hours and 20 minutes.

What is the time difference between Chicago and Pisa?

The time difference between Chicago and Pisa is 7 hours. Pisa is 7 hours ahead of Chicago.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Pisa International Airport (PSA)

On average, flying from Chicago to Pisa generates about 541 kg of CO2 per passenger, and 541 kilograms equals 1 193 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Pisa

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

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	Pisa International Airport
City:	Pisa
Country:	Italy
IATA Code:	PSA
ICAO Code:	LIRP
Coordinates:	43°41′2″N, 10°23′33″E