| Risca to Oliveira de Frades | 790.50 mi (1,272.18 km) |
| Risca to Oliveira do Bairro | 808.45 mi (1,301.08 km) |
| Risca to Oliveira do Hospital | 809.85 mi (1,303.32 km) |
| Risca to Ourem | 866.92 mi (1,395.17 km) |
| Risca to Ovar | 787.42 mi (1,267.24 km) |
| Risca to Pacos de Ferreira | 757.40 mi (1,218.92 km) |
| Risca to Palmela | 943.82 mi (1,518.93 km) |
| Risca to Paredes | 760.76 mi (1,224.33 km) |
| Risca to Paredes de Coura | 717.68 mi (1,155.00 km) |
| Risca to Penacova | 821.57 mi (1,322.20 km) |
| Risca to Penafiel | 759.61 mi (1,222.47 km) |
| Risca to Peniche | 899.03 mi (1,446.85 km) |
| Risca to Peso da Regua | 754.88 mi (1,214.87 km) |
| Risca to Pinhal Novo | 939.74 mi (1,512.36 km) |
| Risca to Pinhel | 771.40 mi (1,241.45 km) |
