The calculated distance (air line) between Port el Kantaoui and Ksar Hellal is approximately 24 miles respectively 38 kilometers.
By car or train, the actual journey to Ksar Hellal is certainly longer, as only the direct route (as the crow flies) between Port el Kantaoui and Ksar Hellal has been calculated here.
Air line (approximately)
38 kilometers
21 nautical miles