# Distance from Colombo (CMB) to Montague (SIY)

> 14,115 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,115 km / 8,771 mi / 7,622 nm
- **Estimated flight time**: 18h
- **Heading**: 21° (north northeast)
- **Return heading**: 332° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Sri Lanka) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12.5h (When it's 11:50 in Colombo, it's 23:20 in Montague)
- **Elevation difference**: 2,621 ft (SIY 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

### [Siskiyou County Airport (SIY)](https://www.flightduration.online/airport/siy-montague-siskiyou-county-airport/1ef266df-388c-6c28-9606-06bb2780ed98)

- City: Montague, United States
- ICAO: KSIY
- Timezone: America/Los_Angeles
- Coordinates: 41.780000, -122.470000
- Elevation: 2,651 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 11:50 in Colombo, it's 23:20 in Montague.
With a 12.5-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)
- [Siskiyou County Airport (SIY)](https://www.flightduration.online/airport/siy-montague-siskiyou-county-airport/1ef266df-388c-6c28-9606-06bb2780ed98)
- [Flight duration calculator](/#calculator)