| Boulogne-Billancourt to Santiago do Cacem | 925.42 mi (1,489.32 km) |
| Boulogne-Billancourt to Santo Andre | 924.96 mi (1,488.58 km) |
| Boulogne-Billancourt to Santo Tirso | 734.55 mi (1,182.15 km) |
| Boulogne-Billancourt to Sao Bras de Alportel | 953.96 mi (1,535.25 km) |
| Boulogne-Billancourt to Sao Felix da Marinha | 755.47 mi (1,215.81 km) |
| Boulogne-Billancourt to Sao Joao da Madeira | 758.12 mi (1,220.07 km) |
| Boulogne-Billancourt to Sao Joao de Ver | 757.22 mi (1,218.62 km) |
| Boulogne-Billancourt to Sao Mamede de Infesta | 746.04 mi (1,200.63 km) |
| Boulogne-Billancourt to Sao Pedro do Sul | 751.99 mi (1,210.21 km) |
| Boulogne-Billancourt to Satao | 742.12 mi (1,194.32 km) |
| Boulogne-Billancourt to Seia | 758.27 mi (1,220.32 km) |
| Boulogne-Billancourt to Senhora da Hora | 748.52 mi (1,204.62 km) |
| Boulogne-Billancourt to Serpa | 898.49 mi (1,445.99 km) |
| Boulogne-Billancourt to Serta | 805.36 mi (1,296.10 km) |
| Boulogne-Billancourt to Sesimbra | 912.83 mi (1,469.06 km) |
