# Distance from Bangkok (BKK) to Sines Airport (SIE)

> 10,718 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,718 km / 6,660 mi / 5,787 nm
- **Estimated flight time**: 14h
- **Heading**: 312° (northwest)
- **Return heading**: 67° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → Portugal
- **Intercontinental**: Asia → Europe
- **Time difference**: -6h (When it's 09:29 in Bangkok, it's 03:29 in Sines Airport)
- **Elevation difference**: 5 ft (SIE is lower than BKK)

## Airports

### [Suvarnabhumi Airport (BKK)](https://www.flightduration.online/airport/bkk-bangkok-suvarnabhumi-airport/1ef266df-f511-6042-a32f-06bb2780ed98)

- City: Bangkok, Thailand
- ICAO: VTBS
- Timezone: Asia/Bangkok
- Coordinates: 13.680000, 100.750000
- Elevation: 5 ft

### [Sines Airport (SIE)](https://www.flightduration.online/airport/sie-sines-airport/1ef266df-55f7-63c6-861d-06bb2780ed98)

- City: Sines Airport, Portugal
- ICAO: LPSI
- Timezone: Europe/Lisbon
- Coordinates: 37.940000, -8.820000
- Elevation: 0 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 09:29 in Bangkok, it's 03:29 in Sines Airport.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Suvarnabhumi Airport (BKK)](https://www.flightduration.online/airport/bkk-bangkok-suvarnabhumi-airport/1ef266df-f511-6042-a32f-06bb2780ed98)
- [Sines Airport (SIE)](https://www.flightduration.online/airport/sie-sines-airport/1ef266df-55f7-63c6-861d-06bb2780ed98)
- [Flight duration calculator](/#calculator)