The calculated distance (air line) between Sīdī Bin Zīnah and Zintan is approximately 68 miles respectively 109 kilometers.
By car or train, the actual journey to Zintan is certainly longer, as only the direct route (as the crow flies) between Sīdī Bin Zīnah and Zintan has been calculated here.
Air line (approximately)
109 kilometers
59 nautical miles