The calculated distance (air line) between Mos and Monforte de Lemos is approximately 44 miles respectively 71 kilometers.
By car or train, the actual journey to Monforte de Lemos is certainly longer, as only the direct route (as the crow flies) between Mos and Monforte de Lemos has been calculated here.
Air line (approximately)
71 kilometers
38 nautical miles