| Sileby to Oliveira de Frades | 894.18 mi (1,439.05 km) |
| Sileby to Oliveira do Bairro | 912.79 mi (1,468.99 km) |
| Sileby to Oliveira do Hospital | 912.15 mi (1,467.96 km) |
| Sileby to Ourem | 970.44 mi (1,561.77 km) |
| Sileby to Ovar | 892.55 mi (1,436.42 km) |
| Sileby to Pacos de Ferreira | 862.40 mi (1,387.89 km) |
| Sileby to Palmela | 1,047.08 mi (1,685.11 km) |
| Sileby to Paredes | 865.48 mi (1,392.86 km) |
| Sileby to Paredes de Coura | 823.98 mi (1,326.06 km) |
| Sileby to Penacova | 925.01 mi (1,488.66 km) |
| Sileby to Penafiel | 864.20 mi (1,390.79 km) |
| Sileby to Peniche | 1,004.28 mi (1,616.23 km) |
| Sileby to Peso da Regua | 857.91 mi (1,380.68 km) |
| Sileby to Pinhal Novo | 1,043.10 mi (1,678.71 km) |
| Sileby to Pinhel | 871.64 mi (1,402.77 km) |
