The flight distance from Kalibo International Airport (KLO) in Kalibo, Philippines to Sofia Airport (SOF) in Sofia, Bulgaria is 9,848 kilometers (6,119 miles / 5,317 nautical miles). The estimated flight time for this route is approximately 13h, flying northwest at a heading of 313°.

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 Philippines with Bulgaria. It is an intercontinental flight between Asia and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 01:58 in Kalibo, it's 19:58 in Sofia. With a 6-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 1,728 feet between the two airports. Sofia Airport sits higher than Kalibo International Airport.

The return flight from Sofia (SOF) to Kalibo (KLO) follows a heading of 75° (east 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 Kalibo International Airport (KLO) and Sofia Airport (SOF) detail pages, or use our flight duration calculator to compare other routes.