| Santa Maria to Oliveira de Frades | 5,669.74 mi (9,124.56 km) |
| Santa Maria to Oliveira do Bairro | 5,665.87 mi (9,118.33 km) |
| Santa Maria to Oliveira do Hospital | 5,698.55 mi (9,170.93 km) |
| Santa Maria to Ourem | 5,701.54 mi (9,175.74 km) |
| Santa Maria to Ovar | 5,645.03 mi (9,084.79 km) |
| Santa Maria to Pacos de Ferreira | 5,636.69 mi (9,071.38 km) |
| Santa Maria to Palmela | 5,735.78 mi (9,230.84 km) |
| Santa Maria to Paredes | 5,642.30 mi (9,080.41 km) |
| Santa Maria to Paredes de Coura | 5,601.72 mi (9,015.09 km) |
| Santa Maria to Penacova | 5,685.52 mi (9,149.96 km) |
| Santa Maria to Penafiel | 5,644.00 mi (9,083.15 km) |
| Santa Maria to Peniche | 5,681.94 mi (9,144.21 km) |
| Santa Maria to Peso da Regua | 5,666.02 mi (9,118.58 km) |
| Santa Maria to Pinhal Novo | 5,732.35 mi (9,225.33 km) |
| Santa Maria to Pinhel | 5,711.32 mi (9,191.48 km) |
