The calculated distance (air line) between Montemor-o-Novo and Odivelas is approximately 53 miles respectively 86 kilometers.
By car or train, the actual journey to Odivelas is certainly longer, as only the direct route (as the crow flies) between Montemor-o-Novo and Odivelas has been calculated here.
Air line (approximately)
86 kilometers
46 nautical miles