# Distance from Kathmandu (KTM) to Port Heiden (PTH)

> 8,868 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,868 km / 5,510 mi / 4,788 nm
- **Estimated flight time**: 11h
- **Heading**: 30° (north northeast)
- **Return heading**: 306° (northwest)
- **Classification**: Long-haul
- **Type**: International (Nepal) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -13.75h (When it's 08:51 in Kathmandu, it's 19:06 in Port Heiden)
- **Elevation difference**: 4,295 ft (PTH is lower than KTM)

## Airports

### [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)

- City: Kathmandu, Nepal
- ICAO: VNKT
- Timezone: Asia/Kathmandu
- Coordinates: 27.700000, 85.360000
- Elevation: 4,390 ft

### [Port Heiden Airport (PTH)](https://www.flightduration.online/airport/pth-port-heiden-port-heiden-airport/1ef266df-87c9-60ac-b309-06bb2780ed98)

- City: Port Heiden, United States
- ICAO: PAPH
- Timezone: America/Anchorage
- Coordinates: 56.960000, -158.630000
- Elevation: 95 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 08:51 in Kathmandu, it's 19:06 in Port Heiden.
With a 13.75-hour time difference, expect significant jet lag.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Port Heiden Airport (PTH)](https://www.flightduration.online/airport/pth-port-heiden-port-heiden-airport/1ef266df-87c9-60ac-b309-06bb2780ed98)
- [Flight duration calculator](/#calculator)