| Saint-Brieuc to Settimo Torinese | 549.35 mi (884.09 km) |
| Saint-Brieuc to Seveso | 593.37 mi (954.93 km) |
| Saint-Brieuc to Sezze | 909.99 mi (1,464.49 km) |
| Saint-Brieuc to Siano | 1,006.47 mi (1,619.76 km) |
| Saint-Brieuc to Siena | 765.18 mi (1,231.44 km) |
| Saint-Brieuc to Signa | 738.33 mi (1,188.22 km) |
| Saint-Brieuc to Silea | 734.27 mi (1,181.69 km) |
| Saint-Brieuc to Silvi Paese | 912.41 mi (1,468.38 km) |
| Saint-Brieuc to Sinalunga | 785.98 mi (1,264.91 km) |
| Saint-Brieuc to Siniscola | 821.22 mi (1,321.62 km) |
| Saint-Brieuc to Sinnai | 869.74 mi (1,399.72 km) |
| Saint-Brieuc to Siracusa | 1,204.12 mi (1,937.84 km) |
| Saint-Brieuc to Solaro | 591.80 mi (952.41 km) |
| Saint-Brieuc to Soliera | 698.77 mi (1,124.57 km) |
| Saint-Brieuc to Solofra | 1,011.62 mi (1,628.04 km) |
