| Ostend to Santiago do Cacem | 1,073.88 mi (1,728.25 km) |
| Ostend to Santo Andre | 1,073.14 mi (1,727.05 km) |
| Ostend to Santo Tirso | 871.30 mi (1,402.22 km) |
| Ostend to Sao Bras de Alportel | 1,107.40 mi (1,782.18 km) |
| Ostend to Sao Felix da Marinha | 892.96 mi (1,437.08 km) |
| Ostend to Sao Joao da Madeira | 896.93 mi (1,443.47 km) |
| Ostend to Sao Joao de Ver | 895.45 mi (1,441.09 km) |
| Ostend to Sao Mamede de Infesta | 882.81 mi (1,420.74 km) |
| Ostend to Sao Pedro do Sul | 893.50 mi (1,437.95 km) |
| Ostend to Satao | 885.27 mi (1,424.71 km) |
| Ostend to Seia | 902.85 mi (1,453.00 km) |
| Ostend to Senhora da Hora | 885.11 mi (1,424.44 km) |
| Ostend to Serpa | 1,051.13 mi (1,691.63 km) |
| Ostend to Serta | 950.55 mi (1,529.76 km) |
| Ostend to Sesimbra | 1,058.49 mi (1,703.48 km) |
