| Grottaglie to Montemor-o-Novo | 1,367.04 mi (2,200.03 km) |
| Grottaglie to Montemor-o-Velho | 1,370.38 mi (2,205.42 km) |
| Grottaglie to Montijo | 1,402.32 mi (2,256.82 km) |
| Grottaglie to Mortagua | 1,344.05 mi (2,163.03 km) |
| Grottaglie to Moura | 1,335.60 mi (2,149.45 km) |
| Grottaglie to Murtosa | 1,361.80 mi (2,191.61 km) |
| Grottaglie to Nazare | 1,397.44 mi (2,248.97 km) |
| Grottaglie to Nelas | 1,323.27 mi (2,129.59 km) |
| Grottaglie to Obidos | 1,405.55 mi (2,262.01 km) |
| Grottaglie to Odemira | 1,408.03 mi (2,266.01 km) |
| Grottaglie to Odivelas | 1,415.26 mi (2,277.64 km) |
| Grottaglie to Oeiras | 1,424.17 mi (2,291.97 km) |
| Grottaglie to Olhao | 1,377.81 mi (2,217.37 km) |
| Grottaglie to Oliveira de Azemeis | 1,352.59 mi (2,176.79 km) |
| Grottaglie to Oliveira de Frades | 1,338.62 mi (2,154.31 km) |
