The calculated distance (air line) between Valašské Klobouky and Třinec is approximately 48 miles respectively 77 kilometers.
By car or train, the actual journey to Třinec is certainly longer, as only the direct route (as the crow flies) between Valašské Klobouky and Třinec has been calculated here.
Air line (approximately)
77 kilometers
41 nautical miles