# Distance from Clayton (CAO) to Colombo (CMB)

> 15,153 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,153 km / 9,416 mi / 8,182 nm
- **Estimated flight time**: 19h
- **Heading**: 356° (north)
- **Return heading**: 4° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Sri Lanka
- **Intercontinental**: North America → Asia
- **Time difference**: +11.5h (When it's 09:46 in Clayton, it's 21:16 in Colombo)
- **Elevation difference**: 4,940 ft (CMB is lower than CAO)

## Airports

### [Clayton Municipal Airpark (CAO)](https://www.flightduration.online/airport/cao-clayton-clayton-municipal-airpark/1ef266df-1303-6cfe-b7f8-06bb2780ed98)

- City: Clayton, United States
- ICAO: KCAO
- Timezone: America/Denver
- Coordinates: 36.450000, -103.150000
- Elevation: 4,970 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 09:46 in Clayton, it's 21:16 in Colombo.
With a 11.5-hour time difference, expect significant jet lag.

## Related

- [Clayton Municipal Airpark (CAO)](https://www.flightduration.online/airport/cao-clayton-clayton-municipal-airpark/1ef266df-1303-6cfe-b7f8-06bb2780ed98)
- [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)