The flight distance from Afonso Pena Airport (CWB) in Curitiba, Brazil to Silistra Polkovnik Lambrinovo Airfield (SLS) in Silistra, Bulgaria is 10,946 kilometers (6,802 miles / 5,910 nautical miles). The estimated flight time for this route is approximately 14h, flying northeast at a heading of 45°.

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

Time zone information: When it's 11:32 in Curitiba, it's 16:32 in Silistra. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 2,637 feet between the two airports. Silistra Polkovnik Lambrinovo Airfield sits lower than Afonso Pena Airport.

The return flight from Silistra (SLS) to Curitiba (CWB) follows a heading of 242° (west southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Afonso Pena Airport (CWB) and Silistra Polkovnik Lambrinovo Airfield (SLS) detail pages, or use our flight duration calculator to compare other routes.