# Distance from Kathmandu (KTM) to Tehran (THR)

> 3,323 km · estimated flight time 5h · Medium-haul route.

## Summary

- **Distance**: 3,323 km / 2,065 mi / 1,794 nm
- **Estimated flight time**: 5h
- **Heading**: 294° (west northwest)
- **Return heading**: 96° (east)
- **Classification**: Medium-haul
- **Type**: International (Nepal) → Iran
- **Time difference**: -2.25h (When it's 19:34 in Kathmandu, it's 17:19 in Tehran)
- **Elevation difference**: 428 ft (THR 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

### [Mehrabad International Airport (THR)](https://www.flightduration.online/airport/thr-tehran-mehrabad-international-airport/1ef266df-7d9a-64b4-a7a7-06bb2780ed98)

- City: Tehran, Iran
- ICAO: OIII
- Timezone: Asia/Tehran
- Coordinates: 35.690000, 51.310000
- Elevation: 3,962 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 19:34 in Kathmandu, it's 17:19 in Tehran.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Mehrabad International Airport (THR)](https://www.flightduration.online/airport/thr-tehran-mehrabad-international-airport/1ef266df-7d9a-64b4-a7a7-06bb2780ed98)
- [Flight duration calculator](/#calculator)