# Distance from Kathmandu (KTM) to Semporna (SMM)

> 4,363 km · estimated flight time 6h · Long-haul route.

## Summary

- **Distance**: 4,363 km / 2,711 mi / 2,356 nm
- **Estimated flight time**: 6h
- **Heading**: 120° (east southeast)
- **Return heading**: 310° (northwest)
- **Classification**: Long-haul
- **Type**: International (Nepal) → Malaysia
- **Time difference**: +2.25h (When it's 23:40 in Kathmandu, it's 01:55 in Semporna)
- **Elevation difference**: 4,330 ft (SMM 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

### [Semporna Airport (SMM)](https://www.flightduration.online/airport/smm-semporna-semporna-airport/1ef266df-fb6a-647a-b279-06bb2780ed98)

- City: Semporna, Malaysia
- ICAO: WBKA
- Timezone: Asia/Kuching
- Coordinates: 4.450000, 118.580000
- Elevation: 60 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 23:40 in Kathmandu, it's 01:55 in Semporna.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Semporna Airport (SMM)](https://www.flightduration.online/airport/smm-semporna-semporna-airport/1ef266df-fb6a-647a-b279-06bb2780ed98)
- [Flight duration calculator](/#calculator)