The calculated distance (air line) between Castanheira do Ribatejo and Odivelas is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Odivelas is certainly longer, as only the direct route (as the crow flies) between Castanheira do Ribatejo and Odivelas has been calculated here.
Air line (approximately)
29 kilometers
16 nautical miles