The calculated distance (air line) between Stavroúpoli and Ioánnina is approximately 130 miles respectively 210 kilometers.
By car or train, the actual journey to Ioánnina is certainly longer, as only the direct route (as the crow flies) between Stavroúpoli and Ioánnina has been calculated here.
Air line (approximately)
210 kilometers
113 nautical miles