# Distance from Asuncion (ASU) to Seattle (SEA)

> 10,349 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,349 km / 6,431 mi / 5,588 nm
- **Estimated flight time**: 13h
- **Heading**: 322° (northwest)
- **Return heading**: 125° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Paraguay) → United States
- **Intercontinental**: South America → North America
- **Time difference**: -4h (When it's 22:18 in Asuncion, it's 18:18 in Seattle)
- **Elevation difference**: 140 ft (SEA is higher than ASU)

## Airports

### [Silvio Pettirossi International Airport (ASU)](https://www.flightduration.online/airport/asu-asuncion-silvio-pettirossi-international-airport/1ef266df-a5d5-6fd2-aa00-06bb2780ed98)

- City: Asuncion, Paraguay
- ICAO: SGAS
- Timezone: America/Asuncion
- Coordinates: -25.240000, -57.520000
- Elevation: 292 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 22:18 in Asuncion, it's 18:18 in Seattle.
The 4-hour time difference may cause some jet lag.

## Related

- [Silvio Pettirossi International Airport (ASU)](https://www.flightduration.online/airport/asu-asuncion-silvio-pettirossi-international-airport/1ef266df-a5d5-6fd2-aa00-06bb2780ed98)
- [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)