# Distance from San Diego (SAN) to Siena (SAY)

> 10,074 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,074 km / 6,260 mi / 5,439 nm
- **Estimated flight time**: 13h
- **Heading**: 35° (northeast)
- **Return heading**: 319° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Italy
- **Intercontinental**: North America → Europe
- **Time difference**: +9h (When it's 14:13 in San Diego, it's 23:13 in Siena)
- **Elevation difference**: 617 ft (SAY is higher than SAN)

## Airports

### [San Diego International Airport (SAN)](https://www.flightduration.online/airport/san-san-diego-san-diego-international-airport/1ef266df-375a-6760-a0f3-06bb2780ed98)

- City: San Diego, United States
- ICAO: KSAN
- Timezone: America/Los_Angeles
- Coordinates: 32.730000, -117.190000
- Elevation: 17 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 an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 14:13 in San Diego, it's 23:13 in Siena.
With a 9-hour time difference, expect significant jet lag.

## Related

- [San Diego International Airport (SAN)](https://www.flightduration.online/airport/san-san-diego-san-diego-international-airport/1ef266df-375a-6760-a0f3-06bb2780ed98)
- [Siena / Ampugnano Airport (SAY)](https://www.flightduration.online/airport/say-siena-siena-ampugnano-airport/1ef266df-5127-6c2e-a7d4-06bb2780ed98)
- [Flight duration calculator](/#calculator)