The calculated distance (air line) between Manzanares and Belén de Umbría is approximately 49 miles respectively 79 kilometers.
By car or train, the actual journey to Belén de Umbría is certainly longer, as only the direct route (as the crow flies) between Manzanares and Belén de Umbría has been calculated here.
Air line (approximately)
79 kilometers
43 nautical miles