The calculated distance (air line) between Kroměříž and Ústí nad Labem is approximately 177 miles respectively 284 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 Kroměříž and Ústí nad Labem has been calculated here.
Air line (approximately)
284 kilometers
153 nautical miles