| Smolyan to Oliveira do Bairro | 1,720.79 mi (2,769.34 km) |
| Smolyan to Oliveira do Hospital | 1,690.75 mi (2,720.99 km) |
| Smolyan to Ourem | 1,739.05 mi (2,798.74 km) |
| Smolyan to Ovar | 1,722.11 mi (2,771.47 km) |
| Smolyan to Pacos de Ferreira | 1,704.35 mi (2,742.89 km) |
| Smolyan to Palmela | 1,777.32 mi (2,860.31 km) |
| Smolyan to Paredes | 1,701.91 mi (2,738.96 km) |
| Smolyan to Paredes de Coura | 1,703.93 mi (2,742.20 km) |
| Smolyan to Penacova | 1,713.73 mi (2,757.98 km) |
| Smolyan to Penafiel | 1,699.32 mi (2,734.78 km) |
| Smolyan to Peniche | 1,785.72 mi (2,873.83 km) |
| Smolyan to Peso da Regua | 1,674.07 mi (2,694.15 km) |
| Smolyan to Pinhal Novo | 1,776.71 mi (2,859.33 km) |
| Smolyan to Pinhel | 1,643.44 mi (2,644.86 km) |
| Smolyan to Pombal | 1,737.45 mi (2,796.15 km) |
