The calculated distance (air line) between Týnec nad Sázavou and Prostějov is approximately 116 miles respectively 186 kilometers.
By car or train, the actual journey to Prostějov is certainly longer, as only the direct route (as the crow flies) between Týnec nad Sázavou and Prostějov has been calculated here.
Air line (approximately)
186 kilometers
100 nautical miles