| Southwater to Oliveira de Frades | 804.59 mi (1,294.86 km) |
| Southwater to Oliveira do Bairro | 824.19 mi (1,326.40 km) |
| Southwater to Oliveira do Hospital | 820.17 mi (1,319.94 km) |
| Southwater to Ourem | 880.03 mi (1,416.27 km) |
| Southwater to Ovar | 805.54 mi (1,296.39 km) |
| Southwater to Pacos de Ferreira | 775.39 mi (1,247.87 km) |
| Southwater to Palmela | 955.79 mi (1,538.19 km) |
| Southwater to Paredes | 777.94 mi (1,251.98 km) |
| Southwater to Paredes de Coura | 739.86 mi (1,190.69 km) |
| Southwater to Penacova | 834.77 mi (1,343.43 km) |
| Southwater to Penafiel | 776.43 mi (1,249.54 km) |
| Southwater to Peniche | 916.71 mi (1,475.30 km) |
| Southwater to Peso da Regua | 767.52 mi (1,235.20 km) |
| Southwater to Pinhal Novo | 952.00 mi (1,532.09 km) |
| Southwater to Pinhel | 776.92 mi (1,250.33 km) |
