The calculated distance (air line) between Castanheira do Ribatejo and Corroios is approximately 26 miles respectively 42 kilometers.
By car or train, the actual journey to Corroios is certainly longer, as only the direct route (as the crow flies) between Castanheira do Ribatejo and Corroios has been calculated here.
Air line (approximately)
42 kilometers
23 nautical miles