The calculated distance (air line) between Velbert and Düsseldorf-Pempelfort is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Düsseldorf-Pempelfort is certainly longer, as only the direct route (as the crow flies) between Velbert and Düsseldorf-Pempelfort has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles