# Distance from Bonthe (BTE) to Kathmandu (KTM)

> 10,386 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,386 km / 6,454 mi / 5,608 nm
- **Estimated flight time**: 13h
- **Heading**: 61° (east northeast)
- **Return heading**: 280° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Sierra Leone) → Nepal
- **Intercontinental**: Africa → Asia
- **Time difference**: +5.75h (When it's 05:52 in Bonthe, it's 11:37 in Kathmandu)
- **Elevation difference**: 4,376 ft (KTM is higher than BTE)

## Airports

### [Sherbro International Airport (BTE)](https://www.flightduration.online/airport/bte-bonthe-sherbro-international-airport/1ef266de-e7db-6ed2-aad9-06bb2780ed98)

- City: Bonthe, Sierra Leone
- ICAO: GFBN
- Timezone: Africa/Freetown
- Coordinates: 7.530000, -12.520000
- Elevation: 14 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 05:52 in Bonthe, it's 11:37 in Kathmandu.
The 5.75-hour time difference may cause some jet lag.

## Related

- [Sherbro International Airport (BTE)](https://www.flightduration.online/airport/bte-bonthe-sherbro-international-airport/1ef266de-e7db-6ed2-aad9-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)