# Distance from Dayrestan Airport (GSM) to San Francisco (SFO)

> 12,855 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,855 km / 7,988 mi / 6,941 nm
- **Estimated flight time**: 16h
- **Heading**: 358° (north)
- **Return heading**: 2° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Iran) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10.5h (When it's 07:21 in Dayrestan Airport, it's 20:51 in San Francisco)
- **Elevation difference**: 32 ft (SFO is lower than GSM)

## Airports

### [Dayrestan Airport (GSM)](https://www.flightduration.online/airport/gsm-dayrestan-airport/1ef266df-7dd7-65b2-95bc-06bb2780ed98)

- City: Dayrestan Airport, Iran
- ICAO: OIKQ
- Timezone: Asia/Tehran
- Coordinates: 26.750000, 55.900000
- Elevation: 45 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 07:21 in Dayrestan Airport, it's 20:51 in San Francisco.
With a 10.5-hour time difference, expect significant jet lag.

## Related

- [Dayrestan Airport (GSM)](https://www.flightduration.online/airport/gsm-dayrestan-airport/1ef266df-7dd7-65b2-95bc-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)