The calculated distance (air line) between Ouardenine and Houmt El Souk is approximately 127 miles respectively 205 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 Ouardenine and Houmt El Souk has been calculated here.
Air line (approximately)
205 kilometers
110 nautical miles