# Distance from Seattle (SEA) to Ambryn Island (ULB)

> 9,872 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,872 km / 6,134 mi / 5,330 nm
- **Estimated flight time**: 13h
- **Heading**: 244° (west southwest)
- **Return heading**: 39° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Vanuatu
- **Intercontinental**: North America → Oceania
- **Time difference**: +18h (When it's 14:53 in Seattle, it's 08:53 in Ambryn Island)
- **Elevation difference**: 432 ft (ULB 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

### [Ulei Airport (ULB)](https://www.flightduration.online/airport/ulb-ambryn-island-ulei-airport/1ef266df-74b2-66ee-9ee6-06bb2780ed98)

- City: Ambryn Island, Vanuatu
- ICAO: NVSU
- Timezone: Pacific/Efate
- Coordinates: -16.330000, 168.300000
- 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 14:53 in Seattle, it's 08:53 in Ambryn Island.
With a 18-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)
- [Ulei Airport (ULB)](https://www.flightduration.online/airport/ulb-ambryn-island-ulei-airport/1ef266df-74b2-66ee-9ee6-06bb2780ed98)
- [Flight duration calculator](/#calculator)