# Distance from Singapore (SIN) to Sion (SIR)

> 10,411 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,411 km / 6,469 mi / 5,621 nm
- **Estimated flight time**: 13h
- **Heading**: 316° (northwest)
- **Return heading**: 84° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Singapore) → Switzerland
- **Intercontinental**: Asia → Europe
- **Time difference**: -6h (When it's 10:24 in Singapore, it's 04:24 in Sion)
- **Elevation difference**: 1,563 ft (SIR is higher than SIN)

## Airports

### [Singapore Changi International Airport (SIN)](https://www.flightduration.online/airport/sin-singapore-singapore-changi-international-airport/1ef266e0-00ca-656e-b481-06bb2780ed98)

- City: Singapore, Singapore
- ICAO: WSSS
- Timezone: Asia/Singapore
- Coordinates: 1.350000, 103.990000
- Elevation: 22 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 10:24 in Singapore, it's 04:24 in Sion.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Singapore Changi International Airport (SIN)](https://www.flightduration.online/airport/sin-singapore-singapore-changi-international-airport/1ef266e0-00ca-656e-b481-06bb2780ed98)
- [Sion Airport (SIR)](https://www.flightduration.online/airport/sir-sion-sion-airport/1ef266df-5741-6844-a33f-06bb2780ed98)
- [Flight duration calculator](/#calculator)