| Boom to Oliveira do Bairro | 954.86 mi (1,536.71 km) |
| Boom to Oliveira do Hospital | 944.53 mi (1,520.08 km) |
| Boom to Ourem | 1,005.99 mi (1,618.98 km) |
| Boom to Ovar | 939.54 mi (1,512.05 km) |
| Boom to Pacos de Ferreira | 910.18 mi (1,464.80 km) |
| Boom to Palmela | 1,078.41 mi (1,735.53 km) |
| Boom to Paredes | 911.74 mi (1,467.31 km) |
| Boom to Paredes de Coura | 880.50 mi (1,417.02 km) |
| Boom to Penacova | 962.13 mi (1,548.41 km) |
| Boom to Penafiel | 909.86 mi (1,464.28 km) |
| Boom to Peniche | 1,047.19 mi (1,685.28 km) |
| Boom to Peso da Regua | 896.38 mi (1,442.59 km) |
| Boom to Pinhal Novo | 1,075.06 mi (1,730.15 km) |
| Boom to Pinhel | 896.88 mi (1,443.38 km) |
| Boom to Pombal | 992.65 mi (1,597.51 km) |
