Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 22:00 and arrives at Helsinki Helsinki Vantaa Airport at 06:05.
The flighttime is about 12h 05m. The distance travelled ("as the bird flies"): 8076 Km. So the average speed is roughly 668 Km.
There is an 4 hour time difference between Bangkok and Helsinki
