# Distance from Kathmandu (KTM) to Nuku'alofa (TBU)

> 11,979 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,979 km / 7,443 mi / 6,468 nm
- **Estimated flight time**: 15h
- **Heading**: 105° (east southeast)
- **Return heading**: 294° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Tonga
- **Intercontinental**: Asia → Oceania
- **Time difference**: +7.25h (When it's 04:09 in Kathmandu, it's 11:24 in Nuku'alofa)
- **Elevation difference**: 4,264 ft (TBU 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

### [Fua'amotu International Airport (TBU)](https://www.flightduration.online/airport/tbu-nukualofa-fuaamotu-international-airport/1ef266df-705a-6d44-bad4-06bb2780ed98)

- City: Nuku'alofa, Tonga
- ICAO: NFTF
- Timezone: Pacific/Tongatapu
- Coordinates: -21.240000, -175.150000
- Elevation: 126 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 04:09 in Kathmandu, it's 11:24 in Nuku'alofa.
With a 7.25-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)
- [Fua'amotu International Airport (TBU)](https://www.flightduration.online/airport/tbu-nukualofa-fuaamotu-international-airport/1ef266df-705a-6d44-bad4-06bb2780ed98)
- [Flight duration calculator](/#calculator)