| Issy-les-Moulineaux to Smolyan | 1,195.20 mi (1,923.49 km) |
| Issy-les-Moulineaux to Sofia | 1,095.21 mi (1,762.57 km) |
| Issy-les-Moulineaux to Sopot | 1,159.61 mi (1,866.21 km) |
| Issy-les-Moulineaux to Sozopol | 1,298.81 mi (2,090.24 km) |
| Issy-les-Moulineaux to Sredets | 1,278.69 mi (2,057.85 km) |
| Issy-les-Moulineaux to Stamboliyski | 1,167.96 mi (1,879.65 km) |
| Issy-les-Moulineaux to Stara Zagora | 1,206.87 mi (1,942.27 km) |
| Issy-les-Moulineaux to Svilengrad | 1,254.43 mi (2,018.82 km) |
| Issy-les-Moulineaux to Svishtov | 1,155.25 mi (1,859.19 km) |
| Issy-les-Moulineaux to Targovishte | 1,221.93 mi (1,966.50 km) |
| Issy-les-Moulineaux to Teteven | 1,129.23 mi (1,817.33 km) |
| Issy-les-Moulineaux to Troyan | 1,150.31 mi (1,851.25 km) |
| Issy-les-Moulineaux to Tryavna | 1,185.71 mi (1,908.22 km) |
| Issy-les-Moulineaux to Tutrakan | 1,199.47 mi (1,930.35 km) |
| Issy-les-Moulineaux to Varna | 1,282.94 mi (2,064.70 km) |
