| Ciro Marina to Montemor-o-Novo | 1,357.14 mi (2,184.11 km) |
| Ciro Marina to Montemor-o-Velho | 1,367.05 mi (2,200.06 km) |
| Ciro Marina to Montijo | 1,393.02 mi (2,241.85 km) |
| Ciro Marina to Mortagua | 1,341.66 mi (2,159.19 km) |
| Ciro Marina to Moura | 1,323.01 mi (2,129.18 km) |
| Ciro Marina to Murtosa | 1,360.83 mi (2,190.05 km) |
| Ciro Marina to Nazare | 1,391.96 mi (2,240.14 km) |
| Ciro Marina to Nelas | 1,321.09 mi (2,126.09 km) |
| Ciro Marina to Obidos | 1,399.13 mi (2,251.67 km) |
| Ciro Marina to Odemira | 1,394.15 mi (2,243.67 km) |
| Ciro Marina to Odivelas | 1,406.57 mi (2,263.65 km) |
| Ciro Marina to Oeiras | 1,415.14 mi (2,277.44 km) |
| Ciro Marina to Olhao | 1,361.03 mi (2,190.37 km) |
| Ciro Marina to Oliveira de Azemeis | 1,352.02 mi (2,175.87 km) |
| Ciro Marina to Oliveira de Frades | 1,337.43 mi (2,152.38 km) |
