The calculated distance (air line) between Fès al Bali and Oued Zem is approximately 125 miles respectively 201 kilometers.
By car or train, the actual journey to Oued Zem is certainly longer, as only the direct route (as the crow flies) between Fès al Bali and Oued Zem has been calculated here.
Air line (approximately)
201 kilometers
109 nautical miles