The calculated distance (air line) between Káto Achaḯa and Peristéri is approximately 117 miles respectively 188 kilometers.
By car or train, the actual journey to Peristéri is certainly longer, as only the direct route (as the crow flies) between Káto Achaḯa and Peristéri has been calculated here.
Air line (approximately)
188 kilometers
101 nautical miles