# Distance from Ascension de Guarayos (ASC) to Kathmandu (KTM)

> 16,525 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,525 km / 10,268 mi / 8,923 nm
- **Estimated flight time**: 20h
- **Heading**: 63° (east northeast)
- **Return heading**: 285° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Bolivia) → Nepal
- **Intercontinental**: South America → Asia
- **Time difference**: +9.75h (When it's 18:01 in Ascension de Guarayos, it's 03:46 in Kathmandu)
- **Elevation difference**: 3,583 ft (KTM is higher than ASC)

## Airports

### [Ascencion De Guarayos Airport (ASC)](https://www.flightduration.online/airport/asc-ascension-de-guarayos-ascencion-de-guarayos-airport/1ef266df-b697-638e-a861-06bb2780ed98)

- City: Ascension de Guarayos, Bolivia
- ICAO: SLAS
- Timezone: America/La_Paz
- Coordinates: -15.930000, -63.160000
- Elevation: 807 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 18:01 in Ascension de Guarayos, it's 03:46 in Kathmandu.
With a 9.75-hour time difference, expect significant jet lag.

## Related

- [Ascencion De Guarayos Airport (ASC)](https://www.flightduration.online/airport/asc-ascension-de-guarayos-ascencion-de-guarayos-airport/1ef266df-b697-638e-a861-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)