The calculated distance (air line) between Hückeswagen and Bergisch Gladbach is approximately 15 miles respectively 24 kilometers.
By car or train, the actual journey to Bergisch Gladbach is certainly longer, as only the direct route (as the crow flies) between Hückeswagen and Bergisch Gladbach has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles