The calculated distance (air line) between Deir Ḥannā and Ramat Gan is approximately 63 miles respectively 101 kilometers.
By car or train, the actual journey to Ramat Gan is certainly longer, as only the direct route (as the crow flies) between Deir Ḥannā and Ramat Gan has been calculated here.
Air line (approximately)
101 kilometers
55 nautical miles