The calculated distance (air line) between La Sebala du Mornag and Gafsa is approximately 177 miles respectively 285 kilometers.
By car or train, the actual journey to Gafsa is certainly longer, as only the direct route (as the crow flies) between La Sebala du Mornag and Gafsa has been calculated here.
Air line (approximately)
285 kilometers
154 nautical miles