# Distance from Seattle (SEA) to Solwesi (SLI)

> 15,129 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,129 km / 9,401 mi / 8,169 nm
- **Estimated flight time**: 19h
- **Heading**: 47° (northeast)
- **Return heading**: 330° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Zambia
- **Intercontinental**: North America → Africa
- **Time difference**: +9h (When it's 19:13 in Seattle, it's 04:13 in Solwesi)
- **Elevation difference**: 4,119 ft (SLI 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

### [Solwesi Airport (SLI)](https://www.flightduration.online/airport/sli-solwesi-solwesi-airport/1ef266de-db21-6eee-939f-06bb2780ed98)

- City: Solwesi, Zambia
- ICAO: FLSW
- Timezone: Africa/Lusaka
- Coordinates: -12.170000, 26.370000
- Elevation: 4,551 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 19:13 in Seattle, it's 04:13 in Solwesi.
With a 9-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)
- [Solwesi Airport (SLI)](https://www.flightduration.online/airport/sli-solwesi-solwesi-airport/1ef266de-db21-6eee-939f-06bb2780ed98)
- [Flight duration calculator](/#calculator)