The calculated distance (air line) between Dar Chabanne and Houmt El Souk is approximately 179 miles respectively 288 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 Dar Chabanne and Houmt El Souk has been calculated here.
Air line (approximately)
288 kilometers
156 nautical miles