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Airport Comparison
Adak Island (ADK) to Sofia (SOF) Flight Distance
The flight distance from Adak Airport (ADK) in Adak Island, United States to Sofia Airport (SOF) in Sofia, Bulgaria is 9,322 kilometers (5,793 miles / 5,034 nautical miles). The estimated flight time for this route is approximately 12h, flying north northwest at a heading of 345°.
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 17:54 in Adak Island, it's 05:54 in Sofia. With a 12-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 1,723 feet between the two airports. Sofia Airport sits higher than Adak Airport.
The return flight from Sofia (SOF) to Adak Island (ADK) follows a heading of 12° (north 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 Adak Airport (ADK) and Sofia Airport (SOF) detail pages, or use our flight duration calculator to compare other routes.
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