| Sannois to Smolyan | 1,198.65 mi (1,929.03 km) |
| Sannois to Sofia | 1,098.40 mi (1,767.70 km) |
| Sannois to Sopot | 1,162.51 mi (1,870.88 km) |
| Sannois to Sozopol | 1,301.23 mi (2,094.13 km) |
| Sannois to Sredets | 1,281.24 mi (2,061.95 km) |
| Sannois to Stamboliyski | 1,171.18 mi (1,884.83 km) |
| Sannois to Stara Zagora | 1,209.69 mi (1,946.81 km) |
| Sannois to Svilengrad | 1,257.46 mi (2,023.69 km) |
| Sannois to Svishtov | 1,157.51 mi (1,862.84 km) |
| Sannois to Targovishte | 1,224.15 mi (1,970.08 km) |
| Sannois to Teteven | 1,132.10 mi (1,821.94 km) |
| Sannois to Troyan | 1,153.10 mi (1,855.74 km) |
| Sannois to Tryavna | 1,188.34 mi (1,912.45 km) |
| Sannois to Tutrakan | 1,201.26 mi (1,933.25 km) |
| Sannois to Varna | 1,284.93 mi (2,067.90 km) |
