The calculated distance (air line) between Polýkastro and Ioánnina is approximately 129 miles respectively 207 kilometers.
By car or train, the actual journey to Ioánnina is certainly longer, as only the direct route (as the crow flies) between Polýkastro and Ioánnina has been calculated here.
Air line (approximately)
207 kilometers
112 nautical miles