The calculated distance (air line) between Kifisiá and Palaió Fáliro is approximately 12 miles respectively 19 kilometers.
By car or train, the actual journey to Palaió Fáliro is certainly longer, as only the direct route (as the crow flies) between Kifisiá and Palaió Fáliro has been calculated here.
Air line (approximately)
19 kilometers
10 nautical miles