# Distance from Harper (CPA) to Seattle (SEA)

> 11,450 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,450 km / 7,115 mi / 6,183 nm
- **Estimated flight time**: 14h
- **Heading**: 321° (northwest)
- **Return heading**: 68° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Liberia) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -7h (When it's 02:22 in Harper, it's 19:22 in Seattle)
- **Elevation difference**: 412 ft (SEA is higher than CPA)

## Airports

### [Cape Palmas Airport (CPA)](https://www.flightduration.online/airport/cpa-harper-cape-palmas-airport/1ef266de-e823-63fe-adfc-06bb2780ed98)

- City: Harper, Liberia
- ICAO: GLCP
- Timezone: Africa/Monrovia
- Coordinates: 4.380000, -7.700000
- Elevation: 20 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 02:22 in Harper, it's 19:22 in Seattle.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Cape Palmas Airport (CPA)](https://www.flightduration.online/airport/cpa-harper-cape-palmas-airport/1ef266de-e823-63fe-adfc-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)