| Seneffe to Sofia | 1,050.38 mi (1,690.42 km) |
| Seneffe to Sopot | 1,110.06 mi (1,786.47 km) |
| Seneffe to Sozopol | 1,241.51 mi (1,998.02 km) |
| Seneffe to Sredets | 1,223.31 mi (1,968.72 km) |
| Seneffe to Stamboliyski | 1,122.87 mi (1,807.09 km) |
| Seneffe to Stara Zagora | 1,155.83 mi (1,860.12 km) |
| Seneffe to Svilengrad | 1,206.05 mi (1,940.95 km) |
| Seneffe to Svishtov | 1,096.73 mi (1,765.02 km) |
| Seneffe to Targovishte | 1,162.36 mi (1,870.63 km) |
| Seneffe to Teteven | 1,079.40 mi (1,737.12 km) |
| Seneffe to Troyan | 1,099.19 mi (1,768.97 km) |
| Seneffe to Tryavna | 1,132.12 mi (1,821.98 km) |
| Seneffe to Tutrakan | 1,134.24 mi (1,825.38 km) |
| Seneffe to Varna | 1,219.86 mi (1,963.18 km) |
| Seneffe to Veliki Preslav | 1,175.35 mi (1,891.54 km) |
