The calculated distance (air line) between Brezová pod Bradlom and Staré Mesto is approximately 41 miles respectively 66 kilometers.
By car or train, the actual journey to Staré Mesto is certainly longer, as only the direct route (as the crow flies) between Brezová pod Bradlom and Staré Mesto has been calculated here.
Air line (approximately)
66 kilometers
36 nautical miles