| Siegburg to Oliveira do Bairro | 1,035.30 mi (1,666.16 km) |
| Siegburg to Oliveira do Hospital | 1,021.68 mi (1,644.23 km) |
| Siegburg to Ourem | 1,083.17 mi (1,743.19 km) |
| Siegburg to Ovar | 1,021.99 mi (1,644.73 km) |
| Siegburg to Pacos de Ferreira | 993.46 mi (1,598.83 km) |
| Siegburg to Palmela | 1,152.85 mi (1,855.33 km) |
| Siegburg to Paredes | 994.46 mi (1,600.43 km) |
| Siegburg to Paredes de Coura | 967.31 mi (1,556.74 km) |
| Siegburg to Penacova | 1,040.67 mi (1,674.79 km) |
| Siegburg to Penafiel | 992.42 mi (1,597.14 km) |
| Siegburg to Peniche | 1,126.37 mi (1,812.71 km) |
| Siegburg to Peso da Regua | 976.68 mi (1,571.82 km) |
| Siegburg to Pinhal Novo | 1,149.79 mi (1,850.41 km) |
| Siegburg to Pinhel | 972.38 mi (1,564.89 km) |
| Siegburg to Pombal | 1,071.13 mi (1,723.83 km) |
