The calculated distance (air line) between Lüdenscheid and Schalksmühle is approximately 5 miles respectively 7 kilometers.
By car or train, the actual journey to Schalksmühle is certainly longer, as only the direct route (as the crow flies) between Lüdenscheid and Schalksmühle has been calculated here.
Air line (approximately)
7 kilometers
4 nautical miles