The calculated distance (air line) between Lalín and Monforte de Lemos is approximately 32 miles respectively 51 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 Lalín and Monforte de Lemos has been calculated here.
Air line (approximately)
51 kilometers
28 nautical miles