The nearest airport is CGN - Cologne Koln Bonn, located 19.6 km south west of Kastor.
Other airports nearby include DUS - Duesseldorf Dusseldorf (53.2 km north west), ESS - Essen Mulheim (54.8 km north west), DTM - Dortmund (62.3 km north), MGL - Moenchengladbach Monchengladbach (65.3 km north west),