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Airport Comparison
Sofia (SOF) to Bristol/Johnson/Kingsport (TRI) Flight Distance
The flight distance from Sofia Airport (SOF) in Sofia, Bulgaria to Tri-Cities Airport (TRI) in Bristol/Johnson/Kingsport, United States is 8,450 kilometers (5,250 miles / 4,562 nautical miles). The estimated flight time for this route is approximately 11h, flying northwest at a heading of 307°.
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 19:21 in Sofia, it's 12:21 in Bristol/Johnson/Kingsport. With a 7-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 Bristol/Johnson/Kingsport (TRI) to Sofia (SOF) follows a heading of 47° (northeast). 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 Tri-Cities Airport (TRI) detail pages, or use our flight duration calculator to compare other routes.
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