# Distance from Kathmandu (KTM) to Simao (SYM)

> 1,660 km · estimated flight time 3h · Medium-haul route.

## Summary

- **Distance**: 1,660 km / 1,031 mi / 896 nm
- **Estimated flight time**: 3h
- **Heading**: 106° (east southeast)
- **Return heading**: 292° (west northwest)
- **Classification**: Medium-haul
- **Type**: International (Nepal) → China
- **Time difference**: +2.25h (When it's 03:59 in Kathmandu, it's 06:14 in Simao)
- **Elevation difference**: 4,390 ft (SYM 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

### [Simao Airport (SYM)](https://www.flightduration.online/airport/sym-simao-simao-airport/1ef266e0-1fbd-65b6-a651-06bb2780ed98)

- City: Simao, China
- ICAO: ZPSM
- Timezone: Asia/Shanghai
- Coordinates: 22.790000, 100.960000
- Elevation: 0 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 03:59 in Kathmandu, it's 06:14 in Simao.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Simao Airport (SYM)](https://www.flightduration.online/airport/sym-simao-simao-airport/1ef266e0-1fbd-65b6-a651-06bb2780ed98)
- [Flight duration calculator](/#calculator)