| Monserrato to Montemor-o-Novo | 932.66 mi (1,500.98 km) |
| Monserrato to Montemor-o-Velho | 948.43 mi (1,526.34 km) |
| Monserrato to Montijo | 968.85 mi (1,559.21 km) |
| Monserrato to Mortagua | 924.32 mi (1,487.54 km) |
| Monserrato to Moura | 897.27 mi (1,444.02 km) |
| Monserrato to Murtosa | 945.28 mi (1,521.28 km) |
| Monserrato to Nazare | 970.89 mi (1,562.50 km) |
| Monserrato to Nelas | 904.14 mi (1,455.08 km) |
| Monserrato to Obidos | 977.16 mi (1,572.58 km) |
| Monserrato to Odemira | 967.98 mi (1,557.82 km) |
| Monserrato to Odivelas | 982.78 mi (1,581.63 km) |
| Monserrato to Oeiras | 991.10 mi (1,595.02 km) |
| Monserrato to Olhao | 934.61 mi (1,504.11 km) |
| Monserrato to Oliveira de Azemeis | 937.09 mi (1,508.10 km) |
| Monserrato to Oliveira de Frades | 921.71 mi (1,483.35 km) |
