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