# Distance from Seattle (SEA) to South Galway Airport (ZGL)

> 12,481 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,481 km / 7,755 mi / 6,739 nm
- **Estimated flight time**: 16h
- **Heading**: 256° (west southwest)
- **Return heading**: 47° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +17h (When it's 16:12 in Seattle, it's 09:12 in South Galway Airport)
- **Elevation difference**: 316 ft (ZGL is lower than SEA)

## Airports

### [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)

- City: Seattle, United States
- ICAO: KSEA
- Timezone: America/Los_Angeles
- Coordinates: 47.450000, -122.310000
- Elevation: 432 ft

### [South Galway Airport (ZGL)](https://www.flightduration.online/airport/zgl-south-galway-airport/1ef266e0-18f6-6d90-8d01-06bb2780ed98)

- City: South Galway Airport, Australia
- ICAO: YSGW
- Timezone: Australia/Brisbane
- Coordinates: -25.680000, 142.110000
- Elevation: 116 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 16:12 in Seattle, it's 09:12 in South Galway Airport.
With a 17-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [South Galway Airport (ZGL)](https://www.flightduration.online/airport/zgl-south-galway-airport/1ef266e0-18f6-6d90-8d01-06bb2780ed98)
- [Flight duration calculator](/#calculator)