# Distance from Colombo (CMB) to Unalakleet (UNK)

> 10,656 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,656 km / 6,621 mi / 5,754 nm
- **Estimated flight time**: 14h
- **Heading**: 23° (north northeast)
- **Return heading**: 300° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Sri Lanka) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -13.5h (When it's 18:47 in Colombo, it's 05:17 in Unalakleet)
- **Elevation difference**: 3 ft (UNK is lower 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

### [Unalakleet Airport (UNK)](https://www.flightduration.online/airport/unk-unalakleet-unalakleet-airport/1ef266df-8860-663c-a1e0-06bb2780ed98)

- City: Unalakleet, United States
- ICAO: PAUN
- Timezone: America/Anchorage
- Coordinates: 63.890000, -160.800000
- Elevation: 27 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 18:47 in Colombo, it's 05:17 in Unalakleet.
With a 13.5-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)
- [Unalakleet Airport (UNK)](https://www.flightduration.online/airport/unk-unalakleet-unalakleet-airport/1ef266df-8860-663c-a1e0-06bb2780ed98)
- [Flight duration calculator](/#calculator)