The calculated distance (air line) between Peristéri and Palaió Fáliro is approximately 6 miles respectively 10 kilometers.
By car or train, the actual journey to Palaió Fáliro is certainly longer, as only the direct route (as the crow flies) between Peristéri and Palaió Fáliro has been calculated here.
Air line (approximately)
10 kilometers
5 nautical miles