The calculated distance (air line) between Liptovský Hrádok and Trenčín is approximately 77 miles respectively 124 kilometers.
By car or train, the actual journey to Trenčín is certainly longer, as only the direct route (as the crow flies) between Liptovský Hrádok and Trenčín has been calculated here.
Air line (approximately)
124 kilometers
67 nautical miles