# Distance from Asuncion (ASU) to San Francisco (SFO)

> 9,727 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,727 km / 6,044 mi / 5,252 nm
- **Estimated flight time**: 12h
- **Heading**: 314° (northwest)
- **Return heading**: 125° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Paraguay) → United States
- **Intercontinental**: South America → North America
- **Time difference**: -4h (When it's 22:20 in Asuncion, it's 18:20 in San Francisco)
- **Elevation difference**: 279 ft (SFO is lower than ASU)

## Airports

### [Silvio Pettirossi International Airport (ASU)](https://www.flightduration.online/airport/asu-asuncion-silvio-pettirossi-international-airport/1ef266df-a5d5-6fd2-aa00-06bb2780ed98)

- City: Asuncion, Paraguay
- ICAO: SGAS
- Timezone: America/Asuncion
- Coordinates: -25.240000, -57.520000
- Elevation: 292 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 22:20 in Asuncion, it's 18:20 in San Francisco.
The 4-hour time difference may cause some jet lag.

## Related

- [Silvio Pettirossi International Airport (ASU)](https://www.flightduration.online/airport/asu-asuncion-silvio-pettirossi-international-airport/1ef266df-a5d5-6fd2-aa00-06bb2780ed98)
- [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)