| Narbonne to Montemor-o-Novo | 663.55 mi (1,067.87 km) |
| Narbonne to Montemor-o-Velho | 637.51 mi (1,025.97 km) |
| Narbonne to Montijo | 693.94 mi (1,116.78 km) |
| Narbonne to Mortagua | 608.57 mi (979.39 km) |
| Narbonne to Moura | 648.87 mi (1,044.26 km) |
| Narbonne to Murtosa | 620.85 mi (999.15 km) |
| Narbonne to Nazare | 672.11 mi (1,081.65 km) |
| Narbonne to Nelas | 587.72 mi (945.85 km) |
| Narbonne to Obidos | 683.82 mi (1,100.50 km) |
| Narbonne to Odemira | 723.44 mi (1,164.27 km) |
| Narbonne to Odivelas | 703.31 mi (1,131.87 km) |
| Narbonne to Oeiras | 713.38 mi (1,148.08 km) |
| Narbonne to Olhao | 712.81 mi (1,147.16 km) |
| Narbonne to Oliveira de Azemeis | 610.58 mi (982.64 km) |
| Narbonne to Oliveira de Frades | 599.08 mi (964.13 km) |
