The calculated distance (air line) between Frenštát pod Radhoštěm and Třebíč is approximately 107 miles respectively 173 kilometers.
By car or train, the actual journey to Třebíč is certainly longer, as only the direct route (as the crow flies) between Frenštát pod Radhoštěm and Třebíč has been calculated here.
Air line (approximately)
173 kilometers
93 nautical miles