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