| Bolton to Oliveira de Frades | 928.10 mi (1,493.63 km) |
| Bolton to Oliveira do Bairro | 945.77 mi (1,522.07 km) |
| Bolton to Oliveira do Hospital | 947.90 mi (1,525.50 km) |
| Bolton to Ourem | 1,004.52 mi (1,616.62 km) |
| Bolton to Ovar | 924.39 mi (1,487.66 km) |
| Bolton to Pacos de Ferreira | 894.47 mi (1,439.51 km) |
| Bolton to Palmela | 1,081.46 mi (1,740.44 km) |
| Bolton to Paredes | 897.95 mi (1,445.12 km) |
| Bolton to Paredes de Coura | 854.09 mi (1,374.53 km) |
| Bolton to Penacova | 959.24 mi (1,543.75 km) |
| Bolton to Penafiel | 896.86 mi (1,443.36 km) |
| Bolton to Peniche | 1,035.82 mi (1,666.99 km) |
| Bolton to Peso da Regua | 892.75 mi (1,436.75 km) |
| Bolton to Pinhal Novo | 1,077.35 mi (1,733.82 km) |
| Bolton to Pinhel | 909.97 mi (1,464.45 km) |
