# Distance from Colombo (CMB) to Thompson Falls (THM)

> 13,744 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,744 km / 8,540 mi / 7,421 nm
- **Estimated flight time**: 17h
- **Heading**: 12° (north northeast)
- **Return heading**: 342° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Sri Lanka) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -11.5h (When it's 11:22 in Colombo, it's 23:52 in Thompson Falls)
- **Elevation difference**: 2,437 ft (THM is higher than CMB)

## Airports

### [Bandaranaike International Apt Colombo Airport (CMB)](https://www.flightduration.online/airport/cmb-colombo-bandaranaike-international-apt-colombo-airport/1ef266df-ef5c-65b6-9127-06bb2780ed98)

- City: Colombo, Sri Lanka
- ICAO: VCBI
- Timezone: Asia/Colombo
- Coordinates: 7.180000, 79.880000
- Elevation: 30 ft

### [Thompson Falls Airport (THM)](https://www.flightduration.online/airport/thm-thompson-falls-thompson-falls-airport/1ef266df-3b86-61c2-aa60-06bb2780ed98)

- City: Thompson Falls, United States
- ICAO: KTHM
- Timezone: America/Denver
- Coordinates: 47.600000, -115.300000
- Elevation: 2,467 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 11:22 in Colombo, it's 23:52 in Thompson Falls.
With a 11.5-hour time difference, expect significant jet lag.

## Related

- [Bandaranaike International Apt Colombo Airport (CMB)](https://www.flightduration.online/airport/cmb-colombo-bandaranaike-international-apt-colombo-airport/1ef266df-ef5c-65b6-9127-06bb2780ed98)
- [Thompson Falls Airport (THM)](https://www.flightduration.online/airport/thm-thompson-falls-thompson-falls-airport/1ef266df-3b86-61c2-aa60-06bb2780ed98)
- [Flight duration calculator](/#calculator)