The calculated distance (air line) between Sīdī Bin Zīnah and Msalātah is approximately 121 miles respectively 195 kilometers.
By car or train, the actual journey to Msalātah is certainly longer, as only the direct route (as the crow flies) between Sīdī Bin Zīnah and Msalātah has been calculated here.
Air line (approximately)
195 kilometers
105 nautical miles