The calculated distance (air line) between Mennzel Bou Zelfa and Jendouba is approximately 101 miles respectively 162 kilometers.
By car or train, the actual journey to Jendouba is certainly longer, as only the direct route (as the crow flies) between Mennzel Bou Zelfa and Jendouba has been calculated here.
Air line (approximately)
162 kilometers
88 nautical miles