Airbus A340-300s are used on some of Finnair's long-distance flights between Asia and Europe. The aircraft seats 269 - 295 passengers and is distinguished from the A330 by having four engines instead of two.

Finnair has seven A340s in different configurations. Seen here, the aircraft seats 269 passengers. 

NOTE: These aircraft are being fitted with lie-flat business class seating throughout 2013. Two of them will not be refitted and will be withdrawn from 2015.