# Distance from Impfondo (ION) to San Francisco (SFO)

> 14,054 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,054 km / 8,733 mi / 7,588 nm
- **Estimated flight time**: 18h
- **Heading**: 321° (northwest)
- **Return heading**: 52° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Congo) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -8h (When it's 10:05 in Impfondo, it's 02:05 in San Francisco)
- **Elevation difference**: 1,086 ft (SFO is lower than ION)

## Airports

### [Impfondo Airport (ION)](https://www.flightduration.online/airport/ion-impfondo-impfondo-airport/1ef266de-d690-615a-a20b-06bb2780ed98)

- City: Impfondo, Congo
- ICAO: FCOI
- Timezone: Africa/Brazzaville
- Coordinates: 1.620000, 18.070000
- Elevation: 1,099 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 10:05 in Impfondo, it's 02:05 in San Francisco.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Impfondo Airport (ION)](https://www.flightduration.online/airport/ion-impfondo-impfondo-airport/1ef266de-d690-615a-a20b-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)