# Distance from Kralendijk (BON) to Kathmandu (KTM)

> 14,753 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,753 km / 9,167 mi / 7,966 nm
- **Estimated flight time**: 18h
- **Heading**: 32° (north northeast)
- **Return heading**: 324° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (BQ) → Nepal
- **Time difference**: +9.75h (When it's 10:16 in Kralendijk, it's 20:01 in Kathmandu)
- **Elevation difference**: 4,370 ft (KTM is higher than BON)

## Airports

### [Flamingo International Airport (BON)](https://www.flightduration.online/airport/bon-kralendijk-flamingo-international-airport/1ef266df-e128-617a-b5f2-06bb2780ed98)

- City: Kralendijk, BQ
- ICAO: TNCB
- Timezone: America/Kralendijk
- Coordinates: 12.130000, -68.270000
- Elevation: 20 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 10:16 in Kralendijk, it's 20:01 in Kathmandu.
With a 9.75-hour time difference, expect significant jet lag.

## Related

- [Flamingo International Airport (BON)](https://www.flightduration.online/airport/bon-kralendijk-flamingo-international-airport/1ef266df-e128-617a-b5f2-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)