The calculated distance (air line) between Ústí nad Orlicí and Chomutov is approximately 136 miles respectively 219 kilometers.
By car or train, the actual journey to Chomutov is certainly longer, as only the direct route (as the crow flies) between Ústí nad Orlicí and Chomutov has been calculated here.
Air line (approximately)
219 kilometers
118 nautical miles