| Shanklin to Montalegre | 685.32 mi (1,102.92 km) |
| Shanklin to Montemor-o-Novo | 896.42 mi (1,442.65 km) |
| Shanklin to Montemor-o-Velho | 808.74 mi (1,301.54 km) |
| Shanklin to Montijo | 907.58 mi (1,460.61 km) |
| Shanklin to Mortagua | 782.32 mi (1,259.03 km) |
| Shanklin to Moura | 916.74 mi (1,475.34 km) |
| Shanklin to Murtosa | 772.05 mi (1,242.50 km) |
| Shanklin to Nazare | 852.78 mi (1,372.41 km) |
| Shanklin to Nelas | 769.17 mi (1,237.86 km) |
| Shanklin to Obidos | 870.03 mi (1,400.17 km) |
| Shanklin to Odemira | 973.42 mi (1,566.57 km) |
| Shanklin to Odivelas | 906.51 mi (1,458.88 km) |
| Shanklin to Oeiras | 916.20 mi (1,474.47 km) |
| Shanklin to Olhao | 996.14 mi (1,603.14 km) |
| Shanklin to Oliveira de Azemeis | 761.87 mi (1,226.11 km) |
