The calculated distance (air line) between Letovice and Ústí nad Labem is approximately 136 miles respectively 219 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 Letovice and Ústí nad Labem has been calculated here.
Air line (approximately)
219 kilometers
118 nautical miles