# Distance from Colombo (CMB) to Mary's Harbour (YMH)

> 12,188 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,188 km / 7,573 mi / 6,581 nm
- **Estimated flight time**: 15h
- **Heading**: 333° (north northwest)
- **Return heading**: 47° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Sri Lanka) → Canada
- **Intercontinental**: Asia → North America
- **Time difference**: -8h (When it's 10:36 in Colombo, it's 02:36 in Mary's Harbour)
- **Elevation difference**: 8 ft (YMH 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

### [Mary's Harbour Airport (YMH)](https://www.flightduration.online/airport/ymh-marys-harbour-marys-harbour-airport/1ef266de-b113-6e7c-abf4-06bb2780ed98)

- City: Mary's Harbour, Canada
- ICAO: CYMH
- Timezone: America/St_Johns
- Coordinates: 52.300000, -55.850000
- Elevation: 38 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 10:36 in Colombo, it's 02:36 in Mary's Harbour.
With a 8-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)
- [Mary's Harbour Airport (YMH)](https://www.flightduration.online/airport/ymh-marys-harbour-marys-harbour-airport/1ef266de-b113-6e7c-abf4-06bb2780ed98)
- [Flight duration calculator](/#calculator)