The flight distance from Suvarnabhumi Airport (BKK) in Bangkok, Thailand to Impfondo Airport (ION) in Impfondo, Congo is 9,174 kilometers (5,701 miles / 4,954 nautical miles). The estimated flight time for this route is approximately 12h, flying west at a heading of 270°.

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 Thailand with Congo. It is an intercontinental flight between Asia and Africa. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 09:59 in Bangkok, it's 03:59 in Impfondo. 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 1,094 feet between the two airports. Impfondo Airport sits higher than Suvarnabhumi Airport.

The return flight from Impfondo (ION) to Bangkok (BKK) follows a heading of 76° (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 Suvarnabhumi Airport (BKK) and Impfondo Airport (ION) detail pages, or use our flight duration calculator to compare other routes.