| Cachan to Smolyan | 1,191.88 mi (1,918.14 km) |
| Cachan to Sofia | 1,091.92 mi (1,757.28 km) |
| Cachan to Sopot | 1,156.36 mi (1,860.99 km) |
| Cachan to Sozopol | 1,295.65 mi (2,085.14 km) |
| Cachan to Sredets | 1,275.50 mi (2,052.72 km) |
| Cachan to Stamboliyski | 1,164.67 mi (1,874.36 km) |
| Cachan to Stara Zagora | 1,203.64 mi (1,937.07 km) |
| Cachan to Svilengrad | 1,251.17 mi (2,013.56 km) |
| Cachan to Svishtov | 1,152.11 mi (1,854.14 km) |
| Cachan to Targovishte | 1,218.79 mi (1,961.46 km) |
| Cachan to Teteven | 1,125.99 mi (1,812.11 km) |
| Cachan to Troyan | 1,147.09 mi (1,846.06 km) |
| Cachan to Tryavna | 1,182.51 mi (1,903.06 km) |
| Cachan to Tutrakan | 1,196.41 mi (1,925.44 km) |
| Cachan to Varna | 1,279.85 mi (2,059.72 km) |
