# Distance from Chicago (ORD) to Tallinn (TLL)

> 7,179 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 7,179 km / 4,461 mi / 3,876 nm
- **Estimated flight time**: 9h
- **Heading**: 31° (north northeast)
- **Return heading**: 311° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Estonia
- **Intercontinental**: North America → Europe
- **Time difference**: +8h (When it's 15:49 in Chicago, it's 23:49 in Tallinn)
- **Elevation difference**: 549 ft (TLL is lower than ORD)

## Airports

### [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

### [Tallinn Airport (TLL)](https://www.flightduration.online/airport/tll-tallinn-tallinn-airport/1ef266de-c0e9-6608-a550-06bb2780ed98)

- City: Tallinn, Estonia
- ICAO: EETN
- Timezone: Europe/Tallinn
- Coordinates: 59.410000, 24.830000
- Elevation: 131 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 15:49 in Chicago, it's 23:49 in Tallinn.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Chicago O'Hare International Airport (ORD)](https://www.flightduration.online/airport/ord-chicago-chicago-ohare-international-airport/1ef266df-3115-6742-b012-06bb2780ed98)
- [Tallinn Airport (TLL)](https://www.flightduration.online/airport/tll-tallinn-tallinn-airport/1ef266de-c0e9-6608-a550-06bb2780ed98)
- [Flight duration calculator](/#calculator)