The calculated distance (air line) between Néon Karlovásion and Korydallós is approximately 167 miles respectively 269 kilometers.
By car or train, the actual journey to Korydallós is certainly longer, as only the direct route (as the crow flies) between Néon Karlovásion and Korydallós has been calculated here.
Air line (approximately)
269 kilometers
145 nautical miles