12. Amsterdam Airport Schiphol
Number of passengers: 63,625,534
Amsterdam Airport Schiphol is the main international airport in both Holland and the entire country of The Netherlands. It’s located merely 9 kilometers (5.6 miles) from Amsterdam. It saw an increase of 9.2% in passenger traffic from 2015, thus it now sits at the twelfth spot on our list with over 63 million passengers served in 2016.