# Distance from Colombo (CMB) to Onotoa (OOT)

> 10,656 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,656 km / 6,621 mi / 5,754 nm
- **Estimated flight time**: 14h
- **Heading**: 91° (east)
- **Return heading**: 277° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Sri Lanka) → Kiribati
- **Intercontinental**: Asia → Oceania
- **Time difference**: +6.5h (When it's 20:57 in Colombo, it's 03:27 in Onotoa)
- **Elevation difference**: 23 ft (OOT is lower 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

### [Onotoa Airport (OOT)](https://www.flightduration.online/airport/oot-onotoa-onotoa-airport/1ef266df-7098-66da-ab16-06bb2780ed98)

- City: Onotoa, Kiribati
- ICAO: NGON
- Timezone: Pacific/Tarawa
- Coordinates: -1.800000, 175.530000
- Elevation: 7 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 20:57 in Colombo, it's 03:27 in Onotoa.
With a 6.5-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)
- [Onotoa Airport (OOT)](https://www.flightduration.online/airport/oot-onotoa-onotoa-airport/1ef266df-7098-66da-ab16-06bb2780ed98)
- [Flight duration calculator](/#calculator)