Air Miles Calculator

Distance between Chicago, IL (ORD) and Olbia (OLB)

Distance from Chicago to Olbia (Olbia Costa Smeralda Airport – O'Hare International Airport) is 4750 miles / 7644 kilometers / 4128 nautical miles.

Calculations with different 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 earth.

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).

Flight duration

Estimated flight time from O'Hare International Airport (ORD) to Olbia Costa Smeralda Airport (OLB) is 9 hours 29 minutes.

Time difference and current local times

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

Time Difference

Chicago
Olbia

Chicago, IL

 CDT

Olbia

 CEST

Airport information


A O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

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

Map

Chicago to Olbia flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Olbia (OLB).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
4750
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
4750

Round trip?