The calculated distance (air line) between Epanomí and Néa Smýrni is approximately 177 miles respectively 284 kilometers.
By car or train, the actual journey to Néa Smýrni is certainly longer, as only the direct route (as the crow flies) between Epanomí and Néa Smýrni has been calculated here.
Air line (approximately)
284 kilometers
153 nautical miles