| Bois-Guillaume to Santeramo in Colle | 966.55 mi (1,555.51 km) |
| Bois-Guillaume to Santo Stefano di Magra | 553.82 mi (891.29 km) |
| Bois-Guillaume to Santo Stino di Livenza | 596.57 mi (960.08 km) |
| Bois-Guillaume to Sarezzo | 498.41 mi (802.11 km) |
| Bois-Guillaume to Sarno | 886.46 mi (1,426.62 km) |
| Bois-Guillaume to Saronno | 454.48 mi (731.41 km) |
| Bois-Guillaume to Sarzana | 557.78 mi (897.66 km) |
| Bois-Guillaume to Sassari | 703.91 mi (1,132.83 km) |
| Bois-Guillaume to Sasso Marconi | 591.75 mi (952.33 km) |
| Bois-Guillaume to Sassuolo | 567.48 mi (913.27 km) |
| Bois-Guillaume to Sava | 1,015.99 mi (1,635.08 km) |
| Bois-Guillaume to Saviano | 877.85 mi (1,412.76 km) |
| Bois-Guillaume to Savigliano | 452.34 mi (727.97 km) |
| Bois-Guillaume to Savignano sul Panaro | 579.86 mi (933.19 km) |
| Bois-Guillaume to Savignano sul Rubicone | 649.17 mi (1,044.74 km) |
