The calculated distance (air line) between Trípoli and Néa Smýrni is approximately 79 miles respectively 127 kilometers.
By car or train, the actual journey to Néa Smýrni is certainly longer, as only the direct route (as the crow flies) between Trípoli and Néa Smýrni has been calculated here.
Air line (approximately)
127 kilometers
69 nautical miles