| Villebon-sur-Yvette to Smolyan | 1,194.68 mi (1,922.65 km) |
| Villebon-sur-Yvette to Sofia | 1,094.92 mi (1,762.10 km) |
| Villebon-sur-Yvette to Sopot | 1,159.57 mi (1,866.15 km) |
| Villebon-sur-Yvette to Sozopol | 1,299.20 mi (2,090.86 km) |
| Villebon-sur-Yvette to Sredets | 1,278.96 mi (2,058.29 km) |
| Villebon-sur-Yvette to Stamboliyski | 1,167.65 mi (1,879.15 km) |
| Villebon-sur-Yvette to Stara Zagora | 1,206.91 mi (1,942.33 km) |
| Villebon-sur-Yvette to Svilengrad | 1,254.28 mi (2,018.57 km) |
| Villebon-sur-Yvette to Svishtov | 1,155.78 mi (1,860.04 km) |
| Villebon-sur-Yvette to Targovishte | 1,222.49 mi (1,967.41 km) |
| Villebon-sur-Yvette to Teteven | 1,129.23 mi (1,817.32 km) |
| Villebon-sur-Yvette to Troyan | 1,150.38 mi (1,851.36 km) |
| Villebon-sur-Yvette to Tryavna | 1,185.91 mi (1,908.54 km) |
| Villebon-sur-Yvette to Tutrakan | 1,200.40 mi (1,931.86 km) |
| Villebon-sur-Yvette to Varna | 1,283.70 mi (2,065.92 km) |
