# Distance from Portland (PDX) to Tchien (THC)

> 11,374 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,374 km / 7,068 mi / 6,142 nm
- **Estimated flight time**: 14h
- **Heading**: 68° (east northeast)
- **Return heading**: 319° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Liberia
- **Intercontinental**: North America → Africa
- **Time difference**: +7h (When it's 21:49 in Portland, it's 04:49 in Tchien)
- **Elevation difference**: 759 ft (THC is higher than PDX)

## Airports

### [Portland International Airport (PDX)](https://www.flightduration.online/airport/pdx-portland-portland-international-airport/1ef266df-3254-60d6-87f6-06bb2780ed98)

- City: Portland, United States
- ICAO: KPDX
- Timezone: America/Los_Angeles
- Coordinates: 45.590000, -122.600000
- Elevation: 31 ft

### [Tchien Airport (THC)](https://www.flightduration.online/airport/thc-tchien-tchien-airport/1ef266de-e842-6330-a35d-06bb2780ed98)

- City: Tchien, Liberia
- ICAO: GLTN
- Timezone: Africa/Monrovia
- Coordinates: 6.050000, -8.140000
- Elevation: 790 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 21:49 in Portland, it's 04:49 in Tchien.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Portland International Airport (PDX)](https://www.flightduration.online/airport/pdx-portland-portland-international-airport/1ef266df-3254-60d6-87f6-06bb2780ed98)
- [Tchien Airport (THC)](https://www.flightduration.online/airport/thc-tchien-tchien-airport/1ef266de-e842-6330-a35d-06bb2780ed98)
- [Flight duration calculator](/#calculator)