| Southwater to Montalegre | 726.91 mi (1,169.85 km) |
| Southwater to Montemor-o-Novo | 936.47 mi (1,507.11 km) |
| Southwater to Montemor-o-Velho | 850.17 mi (1,368.22 km) |
| Southwater to Montijo | 948.38 mi (1,526.27 km) |
| Southwater to Mortagua | 823.45 mi (1,325.22 km) |
| Southwater to Moura | 955.59 mi (1,537.88 km) |
| Southwater to Murtosa | 813.79 mi (1,309.66 km) |
| Southwater to Nazare | 894.26 mi (1,439.16 km) |
| Southwater to Nelas | 809.92 mi (1,303.44 km) |
| Southwater to Obidos | 911.45 mi (1,466.84 km) |
| Southwater to Odemira | 1,013.37 mi (1,630.86 km) |
| Southwater to Odivelas | 947.64 mi (1,525.08 km) |
| Southwater to Oeiras | 957.41 mi (1,540.80 km) |
| Southwater to Olhao | 1,034.93 mi (1,665.55 km) |
| Southwater to Oliveira de Azemeis | 803.51 mi (1,293.13 km) |
