The calculated distance (air line) between Néa Chalkidóna and Lárisa is approximately 132 miles respectively 212 kilometers.
By car or train, the actual journey to Lárisa is certainly longer, as only the direct route (as the crow flies) between Néa Chalkidóna and Lárisa has been calculated here.
Air line (approximately)
212 kilometers
114 nautical miles