SFO
San Francisco
United States
10,437 km
6,486 miles
SOF
Sofia
Bulgaria
Distance
10,437 km
6,486 mi / 5,636 nm
Est. Flight Time
13h
Ultra-long-haul route
Time Difference
+10h
America/Los_Angeles
Heading
24°
north northeast

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Airport Comparison

SFO SOF
Airport Name San Francisco International Airport Sofia Airport
IATA Code SFO SOF
ICAO Code KSFO LBSF
City San Francisco Sofia
Country United States Bulgaria
Timezone America/Los_Angeles Europe/Sofia
Elevation 13 ft 1,742 ft
Coordinates 37.620000, -122.380000 42.700000, 23.410000

San Francisco (SFO) to Sofia (SOF) Flight Distance

The flight distance from San Francisco International Airport (SFO) in San Francisco, United States to Sofia Airport (SOF) in Sofia, Bulgaria is 10,437 kilometers (6,486 miles / 5,636 nautical miles). The estimated flight time for this route is approximately 13h, flying north northeast at a heading of 24°.

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.

This is an international route connecting United States with Bulgaria. It is an intercontinental flight between North America and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 05:04 in San Francisco, it's 15:04 in Sofia. With a 10-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 1,729 feet between the two airports. Sofia Airport sits higher than San Francisco International Airport.

The return flight from Sofia (SOF) to San Francisco (SFO) follows a heading of 333° (north northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the San Francisco International Airport (SFO) and Sofia Airport (SOF) detail pages, or use our flight duration calculator to compare other routes.

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