The calculated distance (air line) between Káto Lakatámeia and Derýneia is approximately 36 miles respectively 58 kilometers.
By car or train, the actual journey to Derýneia is certainly longer, as only the direct route (as the crow flies) between Káto Lakatámeia and Derýneia has been calculated here.
Air line (approximately)
58 kilometers
31 nautical miles