The calculated distance (air line) between Dolný Kubín and Banská Bystrica is approximately 33 miles respectively 53 kilometers.
By car or train, the actual journey to Banská Bystrica is certainly longer, as only the direct route (as the crow flies) between Dolný Kubín and Banská Bystrica has been calculated here.
Air line (approximately)
53 kilometers
29 nautical miles