# Distance from Kathmandu (KTM) to Siena (SAY)

> 6,707 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,707 km / 4,167 mi / 3,621 nm
- **Estimated flight time**: 9h
- **Heading**: 306° (northwest)
- **Return heading**: 79° (east northeast)
- **Classification**: Long-haul
- **Type**: International (Nepal) → Italy
- **Intercontinental**: Asia → Europe
- **Time difference**: -3.75h (When it's 13:49 in Kathmandu, it's 10:04 in Siena)
- **Elevation difference**: 3,756 ft (SAY 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

### [Siena / Ampugnano Airport (SAY)](https://www.flightduration.online/airport/say-siena-siena-ampugnano-airport/1ef266df-5127-6c2e-a7d4-06bb2780ed98)

- City: Siena, Italy
- ICAO: LIQS
- Timezone: Europe/Rome
- Coordinates: 43.260000, 11.260000
- Elevation: 634 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 13:49 in Kathmandu, it's 10:04 in Siena.
The 3.75-hour time difference may cause some jet lag.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Siena / Ampugnano Airport (SAY)](https://www.flightduration.online/airport/say-siena-siena-ampugnano-airport/1ef266df-5127-6c2e-a7d4-06bb2780ed98)
- [Flight duration calculator](/#calculator)