The calculated distance (air line) between Čelákovice and Ústí nad Labem is approximately 47 miles respectively 75 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 Čelákovice and Ústí nad Labem has been calculated here.
Air line (approximately)
75 kilometers
41 nautical miles