How far is Lisbon from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Lisbon (Lisbon Airport) is 4009 miles / 6451 kilometers / 3483 nautical miles.

Distance from Chicago to Lisbon

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

Vincenty's formula (applied above)

• 4008.609 miles
• 6451.231 kilometers
• 3483.386 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

• 3998.611 miles
• 6435.140 kilometers
• 3474.698 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 Lisbon?

The estimated flight time from Chicago O'Hare International Airport to Lisbon Airport is 8 hours and 5 minutes.

What is the time difference between Chicago and Lisbon?

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

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Lisbon Airport (LIS)

On average, flying from Chicago to Lisbon generates about 457 kg of CO2 per passenger, and 457 kilograms equals 1 008 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Lisbon

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

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	Lisbon Airport
City:	Lisbon
Country:	Portugal
IATA Code:	LIS
ICAO Code:	LPPT
Coordinates:	38°46′52″N, 9°8′9″W