The calculated distance (air line) between Třeboň and Ústí nad Labem is approximately 119 miles respectively 192 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 Třeboň and Ústí nad Labem has been calculated here.
Air line (approximately)
192 kilometers
103 nautical miles