| Orsay to Smolyan | 1,196.41 mi (1,925.43 km) |
| Orsay to Sofia | 1,096.67 mi (1,764.91 km) |
| Orsay to Sopot | 1,161.34 mi (1,868.99 km) |
| Orsay to Sozopol | 1,300.99 mi (2,093.74 km) |
| Orsay to Sredets | 1,280.75 mi (2,061.16 km) |
| Orsay to Stamboliyski | 1,169.40 mi (1,881.96 km) |
| Orsay to Stara Zagora | 1,208.67 mi (1,945.17 km) |
| Orsay to Svilengrad | 1,256.04 mi (2,021.40 km) |
| Orsay to Svishtov | 1,157.57 mi (1,862.93 km) |
| Orsay to Targovishte | 1,224.29 mi (1,970.30 km) |
| Orsay to Teteven | 1,131.00 mi (1,820.17 km) |
| Orsay to Troyan | 1,152.15 mi (1,854.21 km) |
| Orsay to Tryavna | 1,187.69 mi (1,911.40 km) |
| Orsay to Tutrakan | 1,202.21 mi (1,934.78 km) |
| Orsay to Varna | 1,285.51 mi (2,068.83 km) |
