| Billdal to Oliveira de Frades | 1,466.18 mi (2,359.59 km) |
| Billdal to Oliveira do Bairro | 1,486.54 mi (2,392.35 km) |
| Billdal to Oliveira do Hospital | 1,479.06 mi (2,380.32 km) |
| Billdal to Ourem | 1,540.08 mi (2,478.52 km) |
| Billdal to Ovar | 1,469.40 mi (2,364.77 km) |
| Billdal to Pacos de Ferreira | 1,439.48 mi (2,316.62 km) |
| Billdal to Palmela | 1,614.14 mi (2,597.70 km) |
| Billdal to Paredes | 1,441.60 mi (2,320.03 km) |
| Billdal to Paredes de Coura | 1,406.13 mi (2,262.95 km) |
| Billdal to Penacova | 1,495.43 mi (2,406.66 km) |
| Billdal to Penafiel | 1,439.91 mi (2,317.31 km) |
| Billdal to Peniche | 1,579.30 mi (2,541.64 km) |
| Billdal to Peso da Regua | 1,428.69 mi (2,299.25 km) |
| Billdal to Pinhal Novo | 1,610.61 mi (2,592.02 km) |
| Billdal to Pinhel | 1,432.90 mi (2,306.04 km) |
