The calculated distance (air line) between Chlumec nad Cidlinou and Hradec Králové is approximately 17 miles respectively 27 kilometers.
By car or train, the actual journey to Hradec Králové is certainly longer, as only the direct route (as the crow flies) between Chlumec nad Cidlinou and Hradec Králové has been calculated here.
Air line (approximately)
27 kilometers
15 nautical miles