SOF
Sofia
Bulgaria
8,207 km
5,099 miles
UMM
Summit
United States
Distance
8,207 km
5,099 mi / 4,431 nm
Est. Flight Time
11h
Long-haul route
Time Difference
-11h
Europe/Sofia
Heading
357°
north

Airport Comparison

SOF UMM
Airport Name Sofia Airport Summit Airport
IATA Code SOF UMM
ICAO Code LBSF PAST
City Sofia Summit
Country Bulgaria United States
Timezone Europe/Sofia America/Anchorage
Elevation 1,742 ft 2,409 ft
Coordinates 42.700000, 23.410000 63.330000, -149.130000

Sofia (SOF) to Summit (UMM) Flight Distance

The flight distance from Sofia Airport (SOF) in Sofia, Bulgaria to Summit Airport (UMM) in Summit, United States is 8,207 kilometers (5,099 miles / 4,431 nautical miles). The estimated flight time for this route is approximately 11h, flying north at a heading of 357°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

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

Time zone information: When it's 06:52 in Sofia, it's 19:52 in Summit. With a 11-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

The return flight from Summit (UMM) to Sofia (SOF) follows a heading of 6° (north). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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

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