The calculated distance (air line) between Néa Filadélfeia and Kalamata is approximately 113 miles respectively 181 kilometers.
By car or train, the actual journey to Kalamata is certainly longer, as only the direct route (as the crow flies) between Néa Filadélfeia and Kalamata has been calculated here.
Air line (approximately)
181 kilometers
98 nautical miles