The calculated distance (air line) between Prievidza and Liptovský Mikuláš is approximately 50 miles respectively 80 kilometers.
By car or train, the actual journey to Liptovský Mikuláš is certainly longer, as only the direct route (as the crow flies) between Prievidza and Liptovský Mikuláš has been calculated here.
Air line (approximately)
80 kilometers
43 nautical miles