How far is Olbia from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Olbia (Olbia Costa Smeralda Airport) is 4750 miles / 7644 kilometers / 4128 nautical miles.

Distance from Chicago to Olbia

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

Vincenty's formula (applied above)

• 4750.007 miles
• 7644.395 kilometers
• 4127.643 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

• 4737.905 miles
• 7624.919 kilometers
• 4117.127 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 Olbia?

The estimated flight time from Chicago O'Hare International Airport to Olbia Costa Smeralda Airport is 9 hours and 29 minutes.

What is the time difference between Chicago and Olbia?

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

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Olbia Costa Smeralda Airport (OLB)

On average, flying from Chicago to Olbia generates about 551 kg of CO2 per passenger, and 551 kilograms equals 1 216 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Olbia

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Olbia Costa Smeralda Airport (OLB).

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	Olbia Costa Smeralda Airport
City:	Olbia
Country:	Italy
IATA Code:	OLB
ICAO Code:	LIEO
Coordinates:	40°53′55″N, 9°31′3″E