# Distance from Kathmandu (KTM) to Posadas (PSS)

> 16,218 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,218 km / 10,078 mi / 8,757 nm
- **Estimated flight time**: 20h
- **Heading**: 261° (west)
- **Return heading**: 80° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Argentina
- **Intercontinental**: Asia → South America
- **Time difference**: -8.75h (When it's 13:34 in Kathmandu, it's 04:49 in Posadas)
- **Elevation difference**: 3,960 ft (PSS 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

### [Libertador Gral D Jose De San Martin Airport (PSS)](https://www.flightduration.online/airport/pss-posadas-libertador-gral-d-jose-de-san-martin-airport/1ef266df-9250-634a-8c8a-06bb2780ed98)

- City: Posadas, Argentina
- ICAO: SARP
- Timezone: America/Argentina/Cordoba
- Coordinates: -27.390000, -55.970000
- Elevation: 430 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 13:34 in Kathmandu, it's 04:49 in Posadas.
With a 8.75-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)
- [Libertador Gral D Jose De San Martin Airport (PSS)](https://www.flightduration.online/airport/pss-posadas-libertador-gral-d-jose-de-san-martin-airport/1ef266df-9250-634a-8c8a-06bb2780ed98)
- [Flight duration calculator](/#calculator)