The calculated distance (air line) between Néon Karlovásion and Agios Dimitrios is approximately 162 miles respectively 261 kilometers.
By car or train, the actual journey to Agios Dimitrios is certainly longer, as only the direct route (as the crow flies) between Néon Karlovásion and Agios Dimitrios has been calculated here.
Air line (approximately)
261 kilometers
141 nautical miles