# Distance from Blackstone (BKT) to Colombo (CMB)

> 14,581 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,581 km / 9,061 mi / 7,873 nm
- **Estimated flight time**: 18h
- **Heading**: 30° (north northeast)
- **Return heading**: 336° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Sri Lanka
- **Intercontinental**: North America → Asia
- **Time difference**: +9.5h (When it's 19:05 in Blackstone, it's 04:35 in Colombo)
- **Elevation difference**: 407 ft (CMB is lower than BKT)

## Airports

### [Allen C Perkinson Blackstone Army Air Field (BKT)](https://www.flightduration.online/airport/bkt-blackstone-allen-c-perkinson-blackstone-army-air-field/1ef266df-10cf-6208-80a7-06bb2780ed98)

- City: Blackstone, United States
- ICAO: KBKT
- Timezone: America/New_York
- Coordinates: 37.070000, -77.960000
- Elevation: 437 ft

### [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

## 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 19:05 in Blackstone, it's 04:35 in Colombo.
With a 9.5-hour time difference, expect significant jet lag.

## Related

- [Allen C Perkinson Blackstone Army Air Field (BKT)](https://www.flightduration.online/airport/bkt-blackstone-allen-c-perkinson-blackstone-army-air-field/1ef266df-10cf-6208-80a7-06bb2780ed98)
- [Bandaranaike International Apt Colombo Airport (CMB)](https://www.flightduration.online/airport/cmb-colombo-bandaranaike-international-apt-colombo-airport/1ef266df-ef5c-65b6-9127-06bb2780ed98)
- [Flight duration calculator](/#calculator)