| Chiampo to Montemor-o-Novo | 1,103.68 mi (1,776.21 km) |
| Chiampo to Montemor-o-Velho | 1,074.01 mi (1,728.46 km) |
| Chiampo to Montijo | 1,133.90 mi (1,824.84 km) |
| Chiampo to Mortagua | 1,044.57 mi (1,681.07 km) |
| Chiampo to Moura | 1,088.26 mi (1,751.38 km) |
| Chiampo to Murtosa | 1,054.53 mi (1,697.11 km) |
| Chiampo to Nazare | 1,110.17 mi (1,786.65 km) |
| Chiampo to Nelas | 1,023.95 mi (1,647.89 km) |
| Chiampo to Obidos | 1,122.46 mi (1,806.43 km) |
| Chiampo to Odemira | 1,163.00 mi (1,871.66 km) |
| Chiampo to Odivelas | 1,143.02 mi (1,839.52 km) |
| Chiampo to Oeiras | 1,153.15 mi (1,855.82 km) |
| Chiampo to Olhao | 1,150.05 mi (1,850.83 km) |
| Chiampo to Oliveira de Azemeis | 1,043.92 mi (1,680.02 km) |
| Chiampo to Oliveira de Frades | 1,033.69 mi (1,663.57 km) |
