The calculated distance (air line) between Palamás and Néa Smýrni is approximately 137 miles respectively 221 kilometers.
By car or train, the actual journey to Néa Smýrni is certainly longer, as only the direct route (as the crow flies) between Palamás and Néa Smýrni has been calculated here.
Air line (approximately)
221 kilometers
119 nautical miles