The calculated distance (air line) between Cologne and Aarle-Rixtel is approximately 69 miles respectively 112 kilometers.
By car or train, the actual journey to Aarle-Rixtel is certainly longer, as only the direct route (as the crow flies) between Cologne and Aarle-Rixtel has been calculated here.
Air line (approximately)
112 kilometers
60 nautical miles