| Saint-Brieuc to Setubal | 754.77 mi (1,214.69 km) |
| Saint-Brieuc to Sever do Vouga | 603.63 mi (971.45 km) |
| Saint-Brieuc to Silves | 833.10 mi (1,340.75 km) |
| Saint-Brieuc to Sines | 790.88 mi (1,272.79 km) |
| Saint-Brieuc to Sintra | 747.72 mi (1,203.33 km) |
| Saint-Brieuc to Sobrado de Paiva | 582.66 mi (937.71 km) |
| Saint-Brieuc to Sobral de Monte Agraco | 728.75 mi (1,172.81 km) |
| Saint-Brieuc to Soure | 652.37 mi (1,049.89 km) |
| Saint-Brieuc to Tabua | 619.94 mi (997.69 km) |
| Saint-Brieuc to Tavira | 825.00 mi (1,327.71 km) |
| Saint-Brieuc to Tomar | 676.32 mi (1,088.43 km) |
| Saint-Brieuc to Tondela | 611.13 mi (983.52 km) |
| Saint-Brieuc to Torre de Moncorvo | 548.51 mi (882.74 km) |
| Saint-Brieuc to Torres Novas | 687.21 mi (1,105.95 km) |
| Saint-Brieuc to Torres Vedras | 727.13 mi (1,170.20 km) |
