| Niel to Oliveira do Bairro | 955.47 mi (1,537.68 km) |
| Niel to Oliveira do Hospital | 945.23 mi (1,521.20 km) |
| Niel to Ourem | 1,006.68 mi (1,620.09 km) |
| Niel to Ovar | 940.09 mi (1,512.93 km) |
| Niel to Pacos de Ferreira | 910.71 mi (1,465.65 km) |
| Niel to Palmela | 1,079.16 mi (1,736.75 km) |
| Niel to Paredes | 912.29 mi (1,468.18 km) |
| Niel to Paredes de Coura | 880.92 mi (1,417.71 km) |
| Niel to Penacova | 962.79 mi (1,549.47 km) |
| Niel to Penafiel | 910.41 mi (1,465.17 km) |
| Niel to Peniche | 1,047.82 mi (1,686.30 km) |
| Niel to Peso da Regua | 897.00 mi (1,443.58 km) |
| Niel to Pinhal Novo | 1,075.81 mi (1,731.36 km) |
| Niel to Pinhel | 897.63 mi (1,444.59 km) |
| Niel to Pombal | 993.30 mi (1,598.57 km) |
