The calculated distance (air line) between Livádia and Káto Polemídia is approximately 40 miles respectively 65 kilometers.
By car or train, the actual journey to Káto Polemídia is certainly longer, as only the direct route (as the crow flies) between Livádia and Káto Polemídia has been calculated here.
Air line (approximately)
65 kilometers
35 nautical miles