| Isbergues to Oliveira do Bairro | 874.66 mi (1,407.63 km) |
| Isbergues to Oliveira do Hospital | 865.85 mi (1,393.45 km) |
| Isbergues to Ourem | 927.09 mi (1,492.01 km) |
| Isbergues to Ovar | 858.50 mi (1,381.63 km) |
| Isbergues to Pacos de Ferreira | 828.87 mi (1,333.94 km) |
| Isbergues to Palmela | 1,000.56 mi (1,610.24 km) |
| Isbergues to Paredes | 830.67 mi (1,336.83 km) |
| Isbergues to Paredes de Coura | 797.79 mi (1,283.93 km) |
| Isbergues to Penacova | 882.76 mi (1,420.66 km) |
| Isbergues to Penafiel | 828.87 mi (1,333.93 km) |
| Isbergues to Peniche | 967.28 mi (1,556.68 km) |
| Isbergues to Peso da Regua | 816.43 mi (1,313.91 km) |
| Isbergues to Pinhal Novo | 997.09 mi (1,604.66 km) |
| Isbergues to Pinhel | 819.14 mi (1,318.28 km) |
| Isbergues to Pombal | 913.20 mi (1,469.65 km) |
