The calculated distance (air line) between Derýneia and Káto Polemídia is approximately 60 miles respectively 97 kilometers.
By car or train, the actual journey to Káto Polemídia is certainly longer, as only the direct route (as the crow flies) between Derýneia and Káto Polemídia has been calculated here.
Air line (approximately)
97 kilometers
52 nautical miles