| Smethwick to Oliveira de Frades | 864.70 mi (1,391.60 km) |
| Smethwick to Oliveira do Bairro | 882.97 mi (1,421.00 km) |
| Smethwick to Oliveira do Hospital | 883.39 mi (1,421.68 km) |
| Smethwick to Ourem | 941.08 mi (1,514.51 km) |
| Smethwick to Ovar | 862.29 mi (1,387.73 km) |
| Smethwick to Pacos de Ferreira | 832.20 mi (1,339.30 km) |
| Smethwick to Palmela | 1,017.87 mi (1,638.11 km) |
| Smethwick to Paredes | 835.44 mi (1,344.50 km) |
| Smethwick to Paredes de Coura | 793.05 mi (1,276.29 km) |
| Smethwick to Penacova | 895.67 mi (1,441.44 km) |
| Smethwick to Penafiel | 834.22 mi (1,342.55 km) |
| Smethwick to Peniche | 973.99 mi (1,567.49 km) |
| Smethwick to Peso da Regua | 828.76 mi (1,333.75 km) |
| Smethwick to Pinhal Novo | 1,013.84 mi (1,631.62 km) |
| Smethwick to Pinhel | 843.90 mi (1,358.13 km) |
