# Distance from Nakhon Si Thammarat (NST) to Calgary (YYC)

> 12,625 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,625 km / 7,845 mi / 6,817 nm
- **Estimated flight time**: 16h
- **Heading**: 22° (north northeast)
- **Return heading**: 323° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → Canada
- **Intercontinental**: Asia → North America
- **Time difference**: -13h (When it's 05:43 in Nakhon Si Thammarat, it's 16:43 in Calgary)
- **Elevation difference**: 3,544 ft (YYC is higher than NST)

## Airports

### [Nakhon Si Thammarat Airport (NST)](https://www.flightduration.online/airport/nst-nakhon-si-thammarat-nakhon-si-thammarat-airport/1ef266df-f592-65a2-bd35-06bb2780ed98)

- City: Nakhon Si Thammarat, Thailand
- ICAO: VTSF
- Timezone: Asia/Bangkok
- Coordinates: 8.540000, 99.940000
- Elevation: 13 ft

### [Calgary International Airport (YYC)](https://www.flightduration.online/airport/yyc-calgary-calgary-international-airport/1ef266de-b3e4-6fe8-ad4a-06bb2780ed98)

- City: Calgary, Canada
- ICAO: CYYC
- Timezone: America/Edmonton
- Coordinates: 51.110000, -114.020000
- Elevation: 3,557 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 05:43 in Nakhon Si Thammarat, it's 16:43 in Calgary.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Nakhon Si Thammarat Airport (NST)](https://www.flightduration.online/airport/nst-nakhon-si-thammarat-nakhon-si-thammarat-airport/1ef266df-f592-65a2-bd35-06bb2780ed98)
- [Calgary International Airport (YYC)](https://www.flightduration.online/airport/yyc-calgary-calgary-international-airport/1ef266de-b3e4-6fe8-ad4a-06bb2780ed98)
- [Flight duration calculator](/#calculator)