The calculated distance (air line) between São Mamede de Infesta and Guimarães is approximately 24 miles respectively 38 kilometers.
By car or train, the actual journey to Guimarães is certainly longer, as only the direct route (as the crow flies) between São Mamede de Infesta and Guimarães has been calculated here.
Air line (approximately)
38 kilometers
21 nautical miles