The calculated distance (air line) between Červený Kostelec and Ústí nad Labem is approximately 91 miles respectively 147 kilometers.
By car or train, the actual journey to Ústí nad Labem is certainly longer, as only the direct route (as the crow flies) between Červený Kostelec and Ústí nad Labem has been calculated here.
Air line (approximately)
147 kilometers
79 nautical miles