The calculated distance (air line) between Bir el Hafey and Ksar Hellal is approximately 108 miles respectively 173 kilometers.
By car or train, the actual journey to Ksar Hellal is certainly longer, as only the direct route (as the crow flies) between Bir el Hafey and Ksar Hellal has been calculated here.
Air line (approximately)
173 kilometers
94 nautical miles