# Distance from Perez Zeledon (IPZ) to Kathmandu (KTM)

> 15,731 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,731 km / 9,775 mi / 8,494 nm
- **Estimated flight time**: 20h
- **Heading**: 16° (north northeast)
- **Return heading**: 343° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Costa Rica) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +11.75h (When it's 05:56 in Perez Zeledon, it's 17:41 in Kathmandu)
- **Elevation difference**: 2,290 ft (KTM is higher than IPZ)

## Airports

### [San Isidro del General Airport (IPZ)](https://www.flightduration.online/airport/ipz-perez-zeledon-san-isidro-del-general-airport/1ef266df-66af-69de-89c1-06bb2780ed98)

- City: Perez Zeledon, Costa Rica
- ICAO: MRSI
- Timezone: America/Costa_Rica
- Coordinates: 9.350000, -83.710000
- Elevation: 2,100 ft

### [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

## 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 05:56 in Perez Zeledon, it's 17:41 in Kathmandu.
With a 11.75-hour time difference, expect significant jet lag.

## Related

- [San Isidro del General Airport (IPZ)](https://www.flightduration.online/airport/ipz-perez-zeledon-san-isidro-del-general-airport/1ef266df-66af-69de-89c1-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)