# Distance from Comilla (CLA) to Chicago (ORD)

> 12,740 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,740 km / 7,916 mi / 6,879 nm
- **Estimated flight time**: 16h
- **Heading**: 359° (north)
- **Return heading**: 1° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Bangladesh) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -11h (When it's 03:08 in Comilla, it's 16:08 in Chicago)
- **Elevation difference**: 655 ft (ORD is higher than CLA)

## Airports

### [Comilla Airport (CLA)](https://www.flightduration.online/airport/cla-comilla-comilla-airport/1ef266df-f149-637e-81d3-06bb2780ed98)

- City: Comilla, Bangladesh
- ICAO: VGCM
- Timezone: Asia/Dhaka
- Coordinates: 23.440000, 91.190000
- Elevation: 25 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 an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 03:08 in Comilla, it's 16:08 in Chicago.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Comilla Airport (CLA)](https://www.flightduration.online/airport/cla-comilla-comilla-airport/1ef266df-f149-637e-81d3-06bb2780ed98)
- [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)