The calculated distance (air line) between Klášterec nad Ohří and Chomutov is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to Chomutov is certainly longer, as only the direct route (as the crow flies) between Klášterec nad Ohří and Chomutov has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles