The nearest airport is SNR - St.-nazaire Montoir, located 10.9 km south west of Sem.
Other airports nearby include NTE - Nantes Atlantique (37.7 km south east), VNE - Vannes Meucon (67.2 km north west), RNS - Rennes St Jacques (82.7 km north), EDM - La Roche-sur-yon Les Ajoncs (86.9 km south east),