The calculated distance (air line) between Néa Artáki and Néa Ionía is approximately 34 miles respectively 55 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 Artáki and Néa Ionía has been calculated here.
Air line (approximately)
55 kilometers
30 nautical miles