# Distance from Kathmandu (KTM) to Semnan (SNX)

> 3,126 km · estimated flight time 5h · Medium-haul route.

## Summary

- **Distance**: 3,126 km / 1,942 mi / 1,688 nm
- **Estimated flight time**: 5h
- **Heading**: 294° (west northwest)
- **Return heading**: 97° (east)
- **Classification**: Medium-haul
- **Type**: International (Nepal) → Iran
- **Time difference**: -2.25h (When it's 05:28 in Kathmandu, it's 03:13 in Semnan)
- **Elevation difference**: 725 ft (SNX 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

### [Semnan Airport (SNX)](https://www.flightduration.online/airport/snx-semnan-semnan-airport/1ef266df-7db1-6b28-8f31-06bb2780ed98)

- City: Semnan, Iran
- ICAO: OIIS
- Timezone: Asia/Tehran
- Coordinates: 35.590000, 53.500000
- Elevation: 3,665 ft

## Route notes

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 05:28 in Kathmandu, it's 03:13 in Semnan.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Semnan Airport (SNX)](https://www.flightduration.online/airport/snx-semnan-semnan-airport/1ef266df-7db1-6b28-8f31-06bb2780ed98)
- [Flight duration calculator](/#calculator)