The calculated distance (air line) between Liptovský Hrádok and Čadca is approximately 50 miles respectively 81 kilometers.
By car or train, the actual journey to Čadca is certainly longer, as only the direct route (as the crow flies) between Liptovský Hrádok and Čadca has been calculated here.
Air line (approximately)
81 kilometers
44 nautical miles