Long-haul aircraft are becoming increasingly efficient, allowing longer non-stop flights. While some passengers may feel exhausted after a two-hour flight, others have no problem sitting through a ten-hour flight. Thanks to advancements in long-haul aircraft efficiency, it is now possible to travel to almost any destination worldwide within 24 hours. Airlines and aircraft manufacturers continuously work to overcome aviation range limits. Tourism Review presents a list of the top ten longest non-stop flights available.