The calculated distance (air line) between Náchod and Ústí nad Labem is approximately 95 miles respectively 153 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 Náchod and Ústí nad Labem has been calculated here.
Air line (approximately)
153 kilometers
83 nautical miles