| Soisy-sous-Montmorency to Smolyan | 1,197.14 mi (1,926.61 km) |
| Soisy-sous-Montmorency to Sofia | 1,096.85 mi (1,765.21 km) |
| Soisy-sous-Montmorency to Sopot | 1,160.92 mi (1,868.32 km) |
| Soisy-sous-Montmorency to Sozopol | 1,299.57 mi (2,091.45 km) |
| Soisy-sous-Montmorency to Sredets | 1,279.59 mi (2,059.30 km) |
| Soisy-sous-Montmorency to Stamboliyski | 1,169.63 mi (1,882.34 km) |
| Soisy-sous-Montmorency to Stara Zagora | 1,208.09 mi (1,944.23 km) |
| Soisy-sous-Montmorency to Svilengrad | 1,255.89 mi (2,021.16 km) |
| Soisy-sous-Montmorency to Svishtov | 1,155.83 mi (1,860.13 km) |
| Soisy-sous-Montmorency to Targovishte | 1,222.46 mi (1,967.36 km) |
| Soisy-sous-Montmorency to Teteven | 1,130.50 mi (1,819.37 km) |
| Soisy-sous-Montmorency to Troyan | 1,151.49 mi (1,853.15 km) |
| Soisy-sous-Montmorency to Tryavna | 1,186.71 mi (1,909.82 km) |
| Soisy-sous-Montmorency to Tutrakan | 1,199.51 mi (1,930.43 km) |
| Soisy-sous-Montmorency to Varna | 1,283.21 mi (2,065.13 km) |
