The calculated distance (air line) between Néa Michanióna and Néa Ionía is approximately 174 miles respectively 281 kilometers.
By car or train, the actual journey to Néa Ionía is certainly longer, as only the direct route (as the crow flies) between Néa Michanióna and Néa Ionía has been calculated here.
Air line (approximately)
281 kilometers
152 nautical miles