| Billingham to Oliveira de Frades | 1,011.21 mi (1,627.39 km) |
| Billingham to Oliveira do Bairro | 1,029.12 mi (1,656.21 km) |
| Billingham to Oliveira do Hospital | 1,030.53 mi (1,658.49 km) |
| Billingham to Ourem | 1,087.64 mi (1,750.38 km) |
| Billingham to Ovar | 1,007.99 mi (1,622.21 km) |
| Billingham to Pacos de Ferreira | 978.00 mi (1,573.94 km) |
| Billingham to Palmela | 1,164.54 mi (1,874.14 km) |
| Billingham to Paredes | 981.40 mi (1,579.41 km) |
| Billingham to Paredes de Coura | 938.02 mi (1,509.59 km) |
| Billingham to Penacova | 1,042.29 mi (1,677.41 km) |
| Billingham to Penafiel | 980.26 mi (1,577.57 km) |
| Billingham to Peniche | 1,119.55 mi (1,801.73 km) |
| Billingham to Peso da Regua | 975.60 mi (1,570.08 km) |
| Billingham to Pinhal Novo | 1,160.45 mi (1,867.57 km) |
| Billingham to Pinhel | 991.79 mi (1,596.14 km) |
