How far is Viseu from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Viseu (Viseu Airport) is 3998 miles / 6435 kilometers / 3474 nautical miles.

Distance from Chicago to Viseu

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

Vincenty's formula (applied above)

• 3998.298 miles
• 6434.636 kilometers
• 3474.426 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

• 3988.060 miles
• 6418.160 kilometers
• 3465.529 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 Viseu?

The estimated flight time from Chicago O'Hare International Airport to Viseu Airport is 8 hours and 4 minutes.

What is the time difference between Chicago and Viseu?

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

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Viseu Airport (VSE)

On average, flying from Chicago to Viseu generates about 456 kg of CO2 per passenger, and 456 kilograms equals 1 006 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Viseu

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

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	Viseu Airport
City:	Viseu
Country:	Portugal
IATA Code:	VSE
ICAO Code:	LPVZ
Coordinates:	40°43′31″N, 7°53′20″W