The calculated distance (air line) between Žarnovica and Považská Bystrica is approximately 46 miles respectively 74 kilometers.
By car or train, the actual journey to Považská Bystrica is certainly longer, as only the direct route (as the crow flies) between Žarnovica and Považská Bystrica has been calculated here.
Air line (approximately)
74 kilometers
40 nautical miles