# Distance from Phoenix (PHX) to Sion (SIR)

> 9,274 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,274 km / 5,763 mi / 5,008 nm
- **Estimated flight time**: 12h
- **Heading**: 37° (northeast)
- **Return heading**: 313° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Switzerland
- **Intercontinental**: North America → Europe
- **Time difference**: +9h (When it's 06:33 in Phoenix, it's 15:33 in Sion)
- **Elevation difference**: 450 ft (SIR is higher than PHX)

## Airports

### [Phoenix Sky Harbor International Airport (PHX)](https://www.flightduration.online/airport/phx-phoenix-phoenix-sky-harbor-international-airport/1ef266df-32a8-6c76-a19e-06bb2780ed98)

- City: Phoenix, United States
- ICAO: KPHX
- Timezone: America/Phoenix
- Coordinates: 33.430000, -112.010000
- Elevation: 1,135 ft

### [Sion Airport (SIR)](https://www.flightduration.online/airport/sir-sion-sion-airport/1ef266df-5741-6844-a33f-06bb2780ed98)

- City: Sion, Switzerland
- ICAO: LSGS
- Timezone: Europe/Zurich
- Coordinates: 46.220000, 7.330000
- Elevation: 1,585 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 06:33 in Phoenix, it's 15:33 in Sion.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Phoenix Sky Harbor International Airport (PHX)](https://www.flightduration.online/airport/phx-phoenix-phoenix-sky-harbor-international-airport/1ef266df-32a8-6c76-a19e-06bb2780ed98)
- [Sion Airport (SIR)](https://www.flightduration.online/airport/sir-sion-sion-airport/1ef266df-5741-6844-a33f-06bb2780ed98)
- [Flight duration calculator](/#calculator)