# Distance from San Diego (SAN) to Sines Airport (SIE)

> 9,220 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,220 km / 5,729 mi / 4,978 nm
- **Estimated flight time**: 12h
- **Heading**: 49° (northeast)
- **Return heading**: 306° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Portugal
- **Intercontinental**: North America → Europe
- **Time difference**: +8h (When it's 21:10 in San Diego, it's 05:10 in Sines Airport)
- **Elevation difference**: 17 ft (SIE is lower than SAN)

## Airports

### [San Diego International Airport (SAN)](https://www.flightduration.online/airport/san-san-diego-san-diego-international-airport/1ef266df-375a-6760-a0f3-06bb2780ed98)

- City: San Diego, United States
- ICAO: KSAN
- Timezone: America/Los_Angeles
- Coordinates: 32.730000, -117.190000
- Elevation: 17 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 21:10 in San Diego, it's 05:10 in Sines Airport.
With a 8-hour time difference, expect significant jet lag.

## Related

- [San Diego International Airport (SAN)](https://www.flightduration.online/airport/san-san-diego-san-diego-international-airport/1ef266df-375a-6760-a0f3-06bb2780ed98)
- [Sines Airport (SIE)](https://www.flightduration.online/airport/sie-sines-airport/1ef266df-55f7-63c6-861d-06bb2780ed98)
- [Flight duration calculator](/#calculator)