The calculated distance (air line) between Tvrdošín and Banská Bystrica is approximately 45 miles respectively 73 kilometers.
By car or train, the actual journey to Banská Bystrica is certainly longer, as only the direct route (as the crow flies) between Tvrdošín and Banská Bystrica has been calculated here.
Air line (approximately)
73 kilometers
39 nautical miles