# Distance from Alliance (AIA) to Colombo (CMB)

> 14,534 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,534 km / 9,031 mi / 7,848 nm
- **Estimated flight time**: 18h
- **Heading**: 356° (north)
- **Return heading**: 3° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Sri Lanka
- **Intercontinental**: North America → Asia
- **Time difference**: +11.5h (When it's 22:43 in Alliance, it's 10:13 in Colombo)
- **Elevation difference**: 3,901 ft (CMB is lower than AIA)

## Airports

### [Alliance Municipal Airport (AIA)](https://www.flightduration.online/airport/aia-alliance-alliance-municipal-airport/1ef266df-0dba-689c-a5a9-06bb2780ed98)

- City: Alliance, United States
- ICAO: KAIA
- Timezone: America/Denver
- Coordinates: 42.050000, -102.800000
- Elevation: 3,931 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 22:43 in Alliance, it's 10:13 in Colombo.
With a 11.5-hour time difference, expect significant jet lag.

## Related

- [Alliance Municipal Airport (AIA)](https://www.flightduration.online/airport/aia-alliance-alliance-municipal-airport/1ef266df-0dba-689c-a5a9-06bb2780ed98)
- [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)