| Houghton le Spring to Oliveira de Frades | 1,023.34 mi (1,646.91 km) |
| Houghton le Spring to Oliveira do Bairro | 1,041.10 mi (1,675.49 km) |
| Houghton le Spring to Oliveira do Hospital | 1,042.96 mi (1,678.47 km) |
| Houghton le Spring to Ourem | 1,099.77 mi (1,769.91 km) |
| Houghton le Spring to Ovar | 1,019.79 mi (1,641.19 km) |
| Houghton le Spring to Pacos de Ferreira | 989.85 mi (1,593.01 km) |
| Houghton le Spring to Palmela | 1,176.70 mi (1,893.71 km) |
| Houghton le Spring to Paredes | 993.31 mi (1,598.57 km) |
| Houghton le Spring to Paredes de Coura | 949.56 mi (1,528.18 km) |
| Houghton le Spring to Penacova | 1,054.47 mi (1,697.00 km) |
| Houghton le Spring to Penafiel | 992.20 mi (1,596.79 km) |
| Houghton le Spring to Peniche | 1,131.25 mi (1,820.58 km) |
| Houghton le Spring to Peso da Regua | 987.89 mi (1,589.86 km) |
| Houghton le Spring to Pinhal Novo | 1,172.60 mi (1,887.11 km) |
| Houghton le Spring to Pinhel | 1,004.63 mi (1,616.80 km) |
