| Petite-Synthe to Santiago do Cacem | 1,048.16 mi (1,686.84 km) |
| Petite-Synthe to Santo Andre | 1,047.37 mi (1,685.58 km) |
| Petite-Synthe to Santo Tirso | 844.41 mi (1,358.94 km) |
| Petite-Synthe to Sao Bras de Alportel | 1,082.45 mi (1,742.04 km) |
| Petite-Synthe to Sao Felix da Marinha | 866.12 mi (1,393.89 km) |
| Petite-Synthe to Sao Joao da Madeira | 870.20 mi (1,400.46 km) |
| Petite-Synthe to Sao Joao de Ver | 868.68 mi (1,398.00 km) |
| Petite-Synthe to Sao Mamede de Infesta | 855.91 mi (1,377.46 km) |
| Petite-Synthe to Sao Pedro do Sul | 867.04 mi (1,395.37 km) |
| Petite-Synthe to Satao | 858.99 mi (1,382.42 km) |
| Petite-Synthe to Seia | 876.73 mi (1,410.96 km) |
| Petite-Synthe to Senhora da Hora | 858.19 mi (1,381.13 km) |
| Petite-Synthe to Serpa | 1,026.07 mi (1,651.30 km) |
| Petite-Synthe to Serta | 924.46 mi (1,487.78 km) |
| Petite-Synthe to Sesimbra | 1,032.41 mi (1,661.50 km) |
