The calculated distance (air line) between Nymburk and Ústí nad Labem is approximately 55 miles respectively 89 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 Nymburk and Ústí nad Labem has been calculated here.
Air line (approximately)
89 kilometers
48 nautical miles