# Distance from Chengdu (CTU) to Sines Airport (SIE)

> 9,689 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,689 km / 6,020 mi / 5,232 nm
- **Estimated flight time**: 12h
- **Heading**: 313° (northwest)
- **Return heading**: 53° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (China) → Portugal
- **Intercontinental**: Asia → Europe
- **Time difference**: -7h (When it's 21:23 in Chengdu, it's 14:23 in Sines Airport)
- **Elevation difference**: 1,625 ft (SIE is lower than CTU)

## Airports

### [Chengdu Shuangliu International Airport (CTU)](https://www.flightduration.online/airport/ctu-chengdu-chengdu-shuangliu-international-airport/1ef266e0-20d1-6f24-8403-06bb2780ed98)

- City: Chengdu, China
- ICAO: ZUUU
- Timezone: Asia/Shanghai
- Coordinates: 30.580000, 103.950000
- Elevation: 1,625 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 21:23 in Chengdu, it's 14:23 in Sines Airport.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Chengdu Shuangliu International Airport (CTU)](https://www.flightduration.online/airport/ctu-chengdu-chengdu-shuangliu-international-airport/1ef266e0-20d1-6f24-8403-06bb2780ed98)
- [Sines Airport (SIE)](https://www.flightduration.online/airport/sie-sines-airport/1ef266df-55f7-63c6-861d-06bb2780ed98)
- [Flight duration calculator](/#calculator)