| Troisdorf to Oliveira do Bairro | 1,034.23 mi (1,664.42 km) |
| Troisdorf to Oliveira do Hospital | 1,020.67 mi (1,642.61 km) |
| Troisdorf to Ourem | 1,082.16 mi (1,741.57 km) |
| Troisdorf to Ovar | 1,020.87 mi (1,642.93 km) |
| Troisdorf to Pacos de Ferreira | 992.32 mi (1,596.99 km) |
| Troisdorf to Palmela | 1,151.91 mi (1,853.81 km) |
| Troisdorf to Paredes | 993.33 mi (1,598.62 km) |
| Troisdorf to Paredes de Coura | 966.09 mi (1,554.78 km) |
| Troisdorf to Penacova | 1,039.63 mi (1,673.12 km) |
| Troisdorf to Penafiel | 991.29 mi (1,595.32 km) |
| Troisdorf to Peniche | 1,125.32 mi (1,811.03 km) |
| Troisdorf to Peso da Regua | 975.60 mi (1,570.08 km) |
| Troisdorf to Pinhal Novo | 1,148.85 mi (1,848.89 km) |
| Troisdorf to Pinhel | 971.40 mi (1,563.31 km) |
| Troisdorf to Pombal | 1,070.10 mi (1,722.16 km) |
