# Distance from Boston (BOS) to Sion (SIR)

> 5,989 km · estimated flight time 8h · Long-haul route.

## Summary

- **Distance**: 5,989 km / 3,721 mi / 3,234 nm
- **Estimated flight time**: 8h
- **Heading**: 57° (east northeast)
- **Return heading**: 296° (west northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Switzerland
- **Intercontinental**: North America → Europe
- **Time difference**: +6h (When it's 22:25 in Boston, it's 04:25 in Sion)
- **Elevation difference**: 1,566 ft (SIR is higher than BOS)

## Airports

### [General Edward Lawrence Logan International Airport (BOS)](https://www.flightduration.online/airport/bos-boston-general-edward-lawrence-logan-international-airport/1ef266df-112a-6798-90da-06bb2780ed98)

- City: Boston, United States
- ICAO: KBOS
- Timezone: America/New_York
- Coordinates: 42.360000, -71.010000
- Elevation: 19 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 a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 22:25 in Boston, it's 04:25 in Sion.
With a 6-hour time difference, expect significant jet lag.

## Related

- [General Edward Lawrence Logan International Airport (BOS)](https://www.flightduration.online/airport/bos-boston-general-edward-lawrence-logan-international-airport/1ef266df-112a-6798-90da-06bb2780ed98)
- [Sion Airport (SIR)](https://www.flightduration.online/airport/sir-sion-sion-airport/1ef266df-5741-6844-a33f-06bb2780ed98)
- [Flight duration calculator](/#calculator)