The calculated distance (air line) between Castro de Rei and Santa Marta de Ortigueira is approximately 40 miles respectively 64 kilometers.
By car or train, the actual journey to Santa Marta de Ortigueira is certainly longer, as only the direct route (as the crow flies) between Castro de Rei and Santa Marta de Ortigueira has been calculated here.
Air line (approximately)
64 kilometers
35 nautical miles