| Saint-Brieuc to Skarzysko-Kamienna | 1,066.20 mi (1,715.89 km) |
| Saint-Brieuc to Skawina | 1,020.37 mi (1,642.13 km) |
| Saint-Brieuc to Skierniewice | 1,035.66 mi (1,666.73 km) |
| Saint-Brieuc to Skoczow | 974.58 mi (1,568.44 km) |
| Saint-Brieuc to Skwierzyna | 847.24 mi (1,363.51 km) |
| Saint-Brieuc to Slawno | 925.53 mi (1,489.50 km) |
| Saint-Brieuc to Slubice | 805.20 mi (1,295.84 km) |
| Saint-Brieuc to Slupca | 941.79 mi (1,515.66 km) |
| Saint-Brieuc to Slupsk | 941.37 mi (1,514.98 km) |
| Saint-Brieuc to Sochaczew | 1,040.68 mi (1,674.82 km) |
| Saint-Brieuc to Sokolka | 1,184.26 mi (1,905.89 km) |
| Saint-Brieuc to Sokolow Podlaski | 1,126.50 mi (1,812.92 km) |
| Saint-Brieuc to Solec Kujawski | 965.66 mi (1,554.08 km) |
| Saint-Brieuc to Sopot | 1,000.24 mi (1,609.72 km) |
| Saint-Brieuc to Sosnowiec | 988.60 mi (1,591.00 km) |
