# Distance from Seattle (SEA) to Antartica (UGL)

> 14,364 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,364 km / 8,925 mi / 7,756 nm
- **Estimated flight time**: 18h
- **Heading**: 172° (south)
- **Return heading**: 327° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → AQ
- **Time difference**: +4h (When it's 15:27 in Seattle, it's 19:27 in Antartica)
- **Elevation difference**: 2,029 ft (UGL is higher 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

### [Union Glacier Blue-Ice Runway (UGL)](https://www.flightduration.online/airport/ugl-antartica-union-glacier-blue-ice-runway/1ef266df-9a5d-6164-a570-06bb2780ed98)

- City: Antartica, AQ
- ICAO: SCGC
- Timezone: Antarctica/Palmer
- Coordinates: -79.780000, -83.320000
- Elevation: 2,461 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 15:27 in Seattle, it's 19:27 in Antartica.
The 4-hour time difference may cause some jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Union Glacier Blue-Ice Runway (UGL)](https://www.flightduration.online/airport/ugl-antartica-union-glacier-blue-ice-runway/1ef266df-9a5d-6164-a570-06bb2780ed98)
- [Flight duration calculator](/#calculator)