The calculated distance (air line) between Lüdenscheid and Sprockhövel is approximately 19 miles respectively 30 kilometers.
By car or train, the actual journey to Sprockhövel is certainly longer, as only the direct route (as the crow flies) between Lüdenscheid and Sprockhövel has been calculated here.
Air line (approximately)
30 kilometers
16 nautical miles