The calculated distance (air line) between Kostelec nad Orlicí and Tábor is approximately 85 miles respectively 137 kilometers.
By car or train, the actual journey to Tábor is certainly longer, as only the direct route (as the crow flies) between Kostelec nad Orlicí and Tábor has been calculated here.
Air line (approximately)
137 kilometers
74 nautical miles