The nearest airport is SNR - St.-nazaire Montoir, located 44.2 km south west of Coismo.
Other airports nearby include RNS - Rennes St Jacques (46.1 km north), NTE - Nantes Atlantique (60.7 km south), VNE - Vannes Meucon (63.0 km west), LVA - Laval Entrammes (94.5 km north east),