| Frontignan to Montemor-o-Novo | 705.52 mi (1,135.42 km) |
| Frontignan to Montemor-o-Velho | 678.78 mi (1,092.39 km) |
| Frontignan to Montijo | 735.85 mi (1,184.24 km) |
| Frontignan to Mortagua | 649.74 mi (1,045.65 km) |
| Frontignan to Moura | 690.81 mi (1,111.75 km) |
| Frontignan to Murtosa | 661.63 mi (1,064.79 km) |
| Frontignan to Nazare | 713.66 mi (1,148.52 km) |
| Frontignan to Nelas | 628.92 mi (1,012.16 km) |
| Frontignan to Obidos | 725.48 mi (1,167.54 km) |
| Frontignan to Odemira | 765.40 mi (1,231.80 km) |
| Frontignan to Odivelas | 745.17 mi (1,199.24 km) |
| Frontignan to Oeiras | 755.26 mi (1,215.47 km) |
| Frontignan to Olhao | 754.51 mi (1,214.27 km) |
| Frontignan to Oliveira de Azemeis | 651.30 mi (1,048.17 km) |
| Frontignan to Oliveira de Frades | 640.01 mi (1,030.00 km) |
