# Distance from Ardmore (ADM) to Colombo (CMB)

> 15,391 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,391 km / 9,564 mi / 8,311 nm
- **Estimated flight time**: 19h
- **Heading**: 5° (north)
- **Return heading**: 356° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Sri Lanka
- **Intercontinental**: North America → Asia
- **Time difference**: +10.5h (When it's 20:47 in Ardmore, it's 07:17 in Colombo)
- **Elevation difference**: 747 ft (CMB is lower than ADM)

## Airports

### [Ardmore Municipal Airport (ADM)](https://www.flightduration.online/airport/adm-ardmore-ardmore-municipal-airport/1ef266df-0d51-650e-960f-06bb2780ed98)

- City: Ardmore, United States
- ICAO: KADM
- Timezone: America/Chicago
- Coordinates: 34.300000, -97.020000
- Elevation: 777 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 20:47 in Ardmore, it's 07:17 in Colombo.
With a 10.5-hour time difference, expect significant jet lag.

## Related

- [Ardmore Municipal Airport (ADM)](https://www.flightduration.online/airport/adm-ardmore-ardmore-municipal-airport/1ef266df-0d51-650e-960f-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)