The calculated distance (air line) between Trnava and Liptovský Mikuláš is approximately 105 miles respectively 168 kilometers.
By car or train, the actual journey to Liptovský Mikuláš is certainly longer, as only the direct route (as the crow flies) between Trnava and Liptovský Mikuláš has been calculated here.
Air line (approximately)
168 kilometers
91 nautical miles