# Distance from Guam (GUM) to Seattle (SEA)

> 9,120 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,120 km / 5,667 mi / 4,925 nm
- **Estimated flight time**: 12h
- **Heading**: 43° (northeast)
- **Return heading**: 281° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Guam) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -17h (When it's 12:25 in Guam, it's 19:25 in Seattle)
- **Elevation difference**: 127 ft (SEA is higher than GUM)

## Airports

### [Guam International Airport (GUM)](https://www.flightduration.online/airport/gum-guam-guam-international-airport/1ef266df-8912-69f4-a6c4-06bb2780ed98)

- City: Guam, Guam
- ICAO: PGUM
- Timezone: Pacific/Guam
- Coordinates: 13.500000, 144.800000
- Elevation: 305 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 12:25 in Guam, it's 19:25 in Seattle.
With a 17-hour time difference, expect significant jet lag.

## Related

- [Guam International Airport (GUM)](https://www.flightduration.online/airport/gum-guam-guam-international-airport/1ef266df-8912-69f4-a6c4-06bb2780ed98)
- [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)