The calculated distance (air line) between Castrocaro Terme e Terra del Sole and Padova is approximately 84 miles respectively 136 kilometers.
By car or train, the actual journey to Padova is certainly longer, as only the direct route (as the crow flies) between Castrocaro Terme e Terra del Sole and Padova has been calculated here.
Air line (approximately)
136 kilometers
73 nautical miles