# Distance from Colombo (CMB) to Ontario (ONO)

> 14,074 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,074 km / 8,745 mi / 7,599 nm
- **Estimated flight time**: 18h
- **Heading**: 15° (north northeast)
- **Return heading**: 339° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Sri Lanka) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -11.5h (When it's 11:43 in Colombo, it's 00:13 in Ontario)
- **Elevation difference**: 2,163 ft (ONO is higher 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

### [Ontario Municipal Airport (ONO)](https://www.flightduration.online/airport/ono-ontario-ontario-municipal-airport/1ef266df-30d1-6416-acc3-06bb2780ed98)

- City: Ontario, United States
- ICAO: KONO
- Timezone: America/Denver
- Coordinates: 44.020000, -117.010000
- Elevation: 2,193 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 11:43 in Colombo, it's 00:13 in Ontario.
With a 11.5-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)
- [Ontario Municipal Airport (ONO)](https://www.flightduration.online/airport/ono-ontario-ontario-municipal-airport/1ef266df-30d1-6416-acc3-06bb2780ed98)
- [Flight duration calculator](/#calculator)