The calculated distance (air line) between Hostivice and Ústí nad Labem is approximately 41 miles respectively 66 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 Hostivice and Ústí nad Labem has been calculated here.
Air line (approximately)
66 kilometers
36 nautical miles