# Distance from Basco (BSO) to Seattle (SEA)

> 10,119 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,119 km / 6,288 mi / 5,464 nm
- **Estimated flight time**: 13h
- **Heading**: 38° (northeast)
- **Return heading**: 302° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Philippines) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -15h (When it's 05:09 in Basco, it's 14:09 in Seattle)
- **Elevation difference**: 141 ft (SEA is higher than BSO)

## Airports

### [Basco Airport (BSO)](https://www.flightduration.online/airport/bso-basco-basco-airport/1ef266df-8fa7-6152-b633-06bb2780ed98)

- City: Basco, Philippines
- ICAO: RPUO
- Timezone: Asia/Manila
- Coordinates: 20.450000, 121.980000
- Elevation: 291 ft

### [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

## 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 05:09 in Basco, it's 14:09 in Seattle.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Basco Airport (BSO)](https://www.flightduration.online/airport/bso-basco-basco-airport/1ef266df-8fa7-6152-b633-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)