The calculated distance (air line) between Qiryat Motsqin and Jaffa is approximately 58 miles respectively 93 kilometers.
By car or train, the actual journey to Jaffa is certainly longer, as only the direct route (as the crow flies) between Qiryat Motsqin and Jaffa has been calculated here.
Air line (approximately)
93 kilometers
50 nautical miles