# Distance from Kefallinia Island (EFL) to San Francisco (SFO)

> 10,774 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,774 km / 6,695 mi / 5,818 nm
- **Estimated flight time**: 14h
- **Heading**: 331° (north northwest)
- **Return heading**: 29° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Greece) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -10h (When it's 00:11 in Kefallinia Island, it's 14:11 in San Francisco)
- **Elevation difference**: 46 ft (SFO is lower than EFL)

## Airports

### [Kefallinia Airport (EFL)](https://www.flightduration.online/airport/efl-kefallinia-island-kefallinia-airport/1ef266df-4e07-6cd8-8e5f-06bb2780ed98)

- City: Kefallinia Island, Greece
- ICAO: LGKF
- Timezone: Europe/Athens
- Coordinates: 38.120000, 20.500000
- Elevation: 59 ft

### [San Francisco International Airport (SFO)](https://www.flightduration.online/airport/sfo-san-francisco-san-francisco-international-airport/1ef266df-382a-66ea-a1cc-06bb2780ed98)

- City: San Francisco, United States
- ICAO: KSFO
- Timezone: America/Los_Angeles
- Coordinates: 37.620000, -122.380000
- Elevation: 13 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 00:11 in Kefallinia Island, it's 14:11 in San Francisco.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Kefallinia Airport (EFL)](https://www.flightduration.online/airport/efl-kefallinia-island-kefallinia-airport/1ef266df-4e07-6cd8-8e5f-06bb2780ed98)
- [San Francisco International Airport (SFO)](https://www.flightduration.online/airport/sfo-san-francisco-san-francisco-international-airport/1ef266df-382a-66ea-a1cc-06bb2780ed98)
- [Flight duration calculator](/#calculator)