# Distance from Colombo (CMB) to Granite Mountain (GMT)

> 10,553 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,553 km / 6,557 mi / 5,698 nm
- **Estimated flight time**: 13h
- **Heading**: 21° (north northeast)
- **Return heading**: 299° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Sri Lanka) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -13.5h (When it's 10:53 in Colombo, it's 21:23 in Granite Mountain)
- **Elevation difference**: 1,283 ft (GMT 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

### [Granite Mountain Air Station (GMT)](https://www.flightduration.online/airport/gmt-granite-mountain-granite-mountain-air-station/1ef266df-86a2-6e08-9237-06bb2780ed98)

- City: Granite Mountain, United States
- ICAO: PAGZ
- Timezone: America/Anchorage
- Coordinates: 65.400000, -161.300000
- Elevation: 1,313 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 10:53 in Colombo, it's 21:23 in Granite Mountain.
With a 13.5-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)
- [Granite Mountain Air Station (GMT)](https://www.flightduration.online/airport/gmt-granite-mountain-granite-mountain-air-station/1ef266df-86a2-6e08-9237-06bb2780ed98)
- [Flight duration calculator](/#calculator)