The nearest airport is CGN - Cologne Koln Bonn, located 27.9 km east of Grefrath.
Other airports nearby include MGL - Moenchengladbach Monchengladbach (40.6 km north west), DUS - Duesseldorf Dusseldorf (43.3 km north), GKE - Geilenkirchen (50.2 km west), ESS - Essen Mulheim (57.4 km north),