# Distance from Kathmandu (KTM) to Alto Palena (WAP)

> 17,314 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 17,314 km / 10,758 mi / 9,349 nm
- **Estimated flight time**: 21h
- **Heading**: 223° (southwest)
- **Return heading**: 123° (east southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Chile
- **Intercontinental**: Asia → South America
- **Time difference**: -9.75h (When it's 19:39 in Kathmandu, it's 09:54 in Alto Palena)
- **Elevation difference**: 3,596 ft (WAP 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

### [Alto Palena Airport (WAP)](https://www.flightduration.online/airport/wap-alto-palena-alto-palena-airport/1ef266df-9791-6f98-85a3-06bb2780ed98)

- City: Alto Palena, Chile
- ICAO: SCAP
- Timezone: America/Santiago
- Coordinates: -43.610000, -71.810000
- Elevation: 794 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 19:39 in Kathmandu, it's 09:54 in Alto Palena.
With a 9.75-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)
- [Alto Palena Airport (WAP)](https://www.flightduration.online/airport/wap-alto-palena-alto-palena-airport/1ef266df-9791-6f98-85a3-06bb2780ed98)
- [Flight duration calculator](/#calculator)