The calculated distance (air line) between Giánnouli and Palaió Fáliro is approximately 139 miles respectively 224 kilometers.
By car or train, the actual journey to Palaió Fáliro is certainly longer, as only the direct route (as the crow flies) between Giánnouli and Palaió Fáliro has been calculated here.
Air line (approximately)
224 kilometers
121 nautical miles