| Boulogne-Billancourt to Santeramo in Colle | 900.24 mi (1,448.79 km) |
| Boulogne-Billancourt to Santo Stefano di Magra | 486.86 mi (783.53 km) |
| Boulogne-Billancourt to Santo Stino di Livenza | 533.72 mi (858.94 km) |
| Boulogne-Billancourt to Sarezzo | 433.05 mi (696.93 km) |
| Boulogne-Billancourt to Sarno | 819.55 mi (1,318.93 km) |
| Boulogne-Billancourt to Saronno | 388.16 mi (624.68 km) |
| Boulogne-Billancourt to Sarzana | 490.81 mi (789.89 km) |
| Boulogne-Billancourt to Sassari | 639.69 mi (1,029.49 km) |
| Boulogne-Billancourt to Sasso Marconi | 525.46 mi (845.65 km) |
| Boulogne-Billancourt to Sassuolo | 501.08 mi (806.40 km) |
| Boulogne-Billancourt to Sava | 949.78 mi (1,528.52 km) |
| Boulogne-Billancourt to Saviano | 810.94 mi (1,305.08 km) |
| Boulogne-Billancourt to Savigliano | 385.56 mi (620.49 km) |
| Boulogne-Billancourt to Savignano sul Panaro | 513.53 mi (826.44 km) |
| Boulogne-Billancourt to Savignano sul Rubicone | 583.23 mi (938.62 km) |
