| Grays to Oliveira de Frades | 846.57 mi (1,362.42 km) |
| Grays to Oliveira do Bairro | 866.26 mi (1,394.11 km) |
| Grays to Oliveira do Hospital | 861.85 mi (1,387.02 km) |
| Grays to Ourem | 921.87 mi (1,483.61 km) |
| Grays to Ovar | 847.78 mi (1,364.37 km) |
| Grays to Pacos de Ferreira | 817.65 mi (1,315.88 km) |
| Grays to Palmela | 997.48 mi (1,605.30 km) |
| Grays to Paredes | 820.15 mi (1,319.91 km) |
| Grays to Paredes de Coura | 782.37 mi (1,259.10 km) |
| Grays to Penacova | 876.66 mi (1,410.85 km) |
| Grays to Penafiel | 818.62 mi (1,317.44 km) |
| Grays to Peniche | 958.85 mi (1,543.11 km) |
| Grays to Peso da Regua | 809.43 mi (1,302.65 km) |
| Grays to Pinhal Novo | 993.72 mi (1,599.24 km) |
| Grays to Pinhel | 818.24 mi (1,316.83 km) |
