The calculated distance (air line) between Metlaoui and Houmt El Souk is approximately 144 miles respectively 231 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 Metlaoui and Houmt El Souk has been calculated here.
Air line (approximately)
231 kilometers
125 nautical miles