The calculated distance (air line) between Česká Kamenice and Ústí nad Labem is approximately 19 miles respectively 31 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 Česká Kamenice and Ústí nad Labem has been calculated here.
Air line (approximately)
31 kilometers
17 nautical miles