| Opmeer to Santiago do Cacem | 1,207.28 mi (1,942.94 km) |
| Opmeer to Santo Andre | 1,206.56 mi (1,941.77 km) |
| Opmeer to Santo Tirso | 1,004.70 mi (1,616.90 km) |
| Opmeer to Sao Bras de Alportel | 1,240.15 mi (1,995.83 km) |
| Opmeer to Sao Felix da Marinha | 1,026.40 mi (1,651.83 km) |
| Opmeer to Sao Joao da Madeira | 1,030.43 mi (1,658.32 km) |
| Opmeer to Sao Joao de Ver | 1,028.93 mi (1,655.90 km) |
| Opmeer to Sao Mamede de Infesta | 1,016.20 mi (1,635.42 km) |
| Opmeer to Sao Pedro do Sul | 1,027.08 mi (1,652.93 km) |
| Opmeer to Satao | 1,018.86 mi (1,639.69 km) |
| Opmeer to Seia | 1,036.42 mi (1,667.95 km) |
| Opmeer to Senhora da Hora | 1,018.49 mi (1,639.10 km) |
| Opmeer to Serpa | 1,184.01 mi (1,905.48 km) |
| Opmeer to Serta | 1,084.10 mi (1,744.69 km) |
| Opmeer to Sesimbra | 1,192.05 mi (1,918.41 km) |
