| Castellaneta to Montemor-o-Novo | 1,340.51 mi (2,157.34 km) |
| Castellaneta to Montemor-o-Velho | 1,343.48 mi (2,162.13 km) |
| Castellaneta to Montijo | 1,375.75 mi (2,214.06 km) |
| Castellaneta to Mortagua | 1,317.11 mi (2,119.68 km) |
| Castellaneta to Moura | 1,309.29 mi (2,107.10 km) |
| Castellaneta to Murtosa | 1,334.81 mi (2,148.17 km) |
| Castellaneta to Nazare | 1,370.64 mi (2,205.84 km) |
| Castellaneta to Nelas | 1,296.32 mi (2,086.23 km) |
| Castellaneta to Obidos | 1,378.80 mi (2,218.96 km) |
| Castellaneta to Odemira | 1,381.81 mi (2,223.81 km) |
| Castellaneta to Odivelas | 1,388.65 mi (2,234.81 km) |
| Castellaneta to Oeiras | 1,397.57 mi (2,249.18 km) |
| Castellaneta to Olhao | 1,351.86 mi (2,175.62 km) |
| Castellaneta to Oliveira de Azemeis | 1,325.59 mi (2,133.33 km) |
| Castellaneta to Oliveira de Frades | 1,311.64 mi (2,110.88 km) |
