The calculated distance (air line) between Paralía and Néa Smýrni is approximately 111 miles respectively 178 kilometers.
By car or train, the actual journey to Néa Smýrni is certainly longer, as only the direct route (as the crow flies) between Paralía and Néa Smýrni has been calculated here.
Air line (approximately)
178 kilometers
96 nautical miles