The calculated distance (air line) between Krýa Vrýsi and Kalamariá is approximately 35 miles respectively 56 kilometers.
By car or train, the actual journey to Kalamariá is certainly longer, as only the direct route (as the crow flies) between Krýa Vrýsi and Kalamariá has been calculated here.
Air line (approximately)
56 kilometers
30 nautical miles