The calculated distance (air line) between Deir Ḥannā and Jaffa is approximately 66 miles respectively 107 kilometers.
By car or train, the actual journey to Jaffa is certainly longer, as only the direct route (as the crow flies) between Deir Ḥannā and Jaffa has been calculated here.
Air line (approximately)
107 kilometers
58 nautical miles