The calculated distance (air line) between Néa Filadélfeia and Chaniá is approximately 175 miles respectively 282 kilometers.
By car or train, the actual journey to Chaniá is certainly longer, as only the direct route (as the crow flies) between Néa Filadélfeia and Chaniá has been calculated here.
Air line (approximately)
282 kilometers
152 nautical miles