| Nantes to Montemor-o-Novo | 680.64 mi (1,095.39 km) |
| Nantes to Montemor-o-Velho | 602.98 mi (970.41 km) |
| Nantes to Montijo | 696.27 mi (1,120.54 km) |
| Nantes to Mortagua | 574.55 mi (924.64 km) |
| Nantes to Moura | 695.01 mi (1,118.51 km) |
| Nantes to Murtosa | 569.31 mi (916.22 km) |
| Nantes to Nazare | 646.86 mi (1,041.02 km) |
| Nantes to Nelas | 558.85 mi (899.38 km) |
| Nantes to Obidos | 663.54 mi (1,067.86 km) |
| Nantes to Odemira | 756.64 mi (1,217.70 km) |
| Nantes to Odivelas | 697.51 mi (1,122.54 km) |
| Nantes to Oeiras | 707.65 mi (1,138.85 km) |
| Nantes to Olhao | 773.80 mi (1,245.30 km) |
| Nantes to Oliveira de Azemeis | 558.50 mi (898.81 km) |
| Nantes to Oliveira de Frades | 556.78 mi (896.05 km) |
