# Distance from Olbia (OLB) to Chicago (ORD)

> 7,625 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,625 km / 4,738 mi / 4,117 nm
- **Estimated flight time**: 10h
- **Heading**: 308° (northwest)
- **Return heading**: 54° (northeast)
- **Classification**: Long-haul
- **Type**: International (Italy) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -7h (When it's 20:59 in Olbia, it's 13:59 in Chicago)
- **Elevation difference**: 643 ft (ORD is higher than OLB)

## Airports

### [Olbia / Costa Smeralda Airport (OLB)](https://www.flightduration.online/airport/olb-olbia-olbia-costa-smeralda-airport/1ef266df-5035-6fb4-8dc2-06bb2780ed98)

- City: Olbia, Italy
- ICAO: LIEO
- Timezone: Europe/Rome
- Coordinates: 40.900000, 9.520000
- Elevation: 37 ft

### [Chicago O'Hare International Airport (ORD)](https://www.flightduration.online/airport/ord-chicago-chicago-ohare-international-airport/1ef266df-3115-6742-b012-06bb2780ed98)

- City: Chicago, United States
- ICAO: KORD
- Timezone: America/Chicago
- Coordinates: 41.980000, -87.910000
- Elevation: 680 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 20:59 in Olbia, it's 13:59 in Chicago.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Olbia / Costa Smeralda Airport (OLB)](https://www.flightduration.online/airport/olb-olbia-olbia-costa-smeralda-airport/1ef266df-5035-6fb4-8dc2-06bb2780ed98)
- [Chicago O'Hare International Airport (ORD)](https://www.flightduration.online/airport/ord-chicago-chicago-ohare-international-airport/1ef266df-3115-6742-b012-06bb2780ed98)
- [Flight duration calculator](/#calculator)