The calculated distance (air line) between Néa Anchiálos and Agios Dimitrios is approximately 105 miles respectively 170 kilometers.
By car or train, the actual journey to Agios Dimitrios is certainly longer, as only the direct route (as the crow flies) between Néa Anchiálos and Agios Dimitrios has been calculated here.
Air line (approximately)
170 kilometers
91 nautical miles