| Soma to Oliveira de Frades | 1,885.55 mi (3,034.50 km) |
| Soma to Oliveira do Bairro | 1,904.10 mi (3,064.35 km) |
| Soma to Oliveira do Hospital | 1,872.74 mi (3,013.88 km) |
| Soma to Ourem | 1,917.94 mi (3,086.63 km) |
| Soma to Ovar | 1,907.28 mi (3,069.47 km) |
| Soma to Pacos de Ferreira | 1,891.35 mi (3,043.83 km) |
| Soma to Palmela | 1,950.81 mi (3,139.53 km) |
| Soma to Paredes | 1,888.53 mi (3,039.30 km) |
| Soma to Paredes de Coura | 1,894.15 mi (3,048.34 km) |
| Soma to Penacova | 1,895.60 mi (3,050.68 km) |
| Soma to Penafiel | 1,885.94 mi (3,035.12 km) |
| Soma to Peniche | 1,963.81 mi (3,160.45 km) |
| Soma to Peso da Regua | 1,860.15 mi (2,993.63 km) |
| Soma to Pinhal Novo | 1,950.56 mi (3,139.12 km) |
| Soma to Pinhel | 1,827.05 mi (2,940.36 km) |
