Flight Keflavík International Airport departs from Reykjavik Keflavík International Airport at 00:40 and arrives at Prague Václav Havel Airport Prague at 06:25.
The flighttime is about 3h 45m. The distance travelled ("as the bird flies"): 4369 Km. So the average speed is roughly 1165 Km.
There is an 2 hour time difference between Reykjavik and Prague
THB
