The calculated distance (air line) between Petaẖ Tiqva and Jaffa is approximately 8 miles respectively 13 kilometers.
By car or train, the actual journey to Jaffa is certainly longer, as only the direct route (as the crow flies) between Petaẖ Tiqva and Jaffa has been calculated here.
Air line (approximately)
13 kilometers
7 nautical miles