The calculated distance (air line) between Sidi Alouane and Houmt El Souk is approximately 104 miles respectively 167 kilometers.
By car or train, the actual journey to Houmt El Souk is certainly longer, as only the direct route (as the crow flies) between Sidi Alouane and Houmt El Souk has been calculated here.
Air line (approximately)
167 kilometers
90 nautical miles