The calculated distance (air line) between Lárisa and Néa Smýrni is approximately 136 miles respectively 219 kilometers.
By car or train, the actual journey to Néa Smýrni is certainly longer, as only the direct route (as the crow flies) between Lárisa and Néa Smýrni has been calculated here.
Air line (approximately)
219 kilometers
118 nautical miles