| Ferney-Voltaire to Smolyan | 977.23 mi (1,572.70 km) |
| Ferney-Voltaire to Sofia | 881.84 mi (1,419.18 km) |
| Ferney-Voltaire to Sopot | 950.09 mi (1,529.02 km) |
| Ferney-Voltaire to Sozopol | 1,095.76 mi (1,763.46 km) |
| Ferney-Voltaire to Sredets | 1,073.73 mi (1,728.00 km) |
| Ferney-Voltaire to Stamboliyski | 953.61 mi (1,534.69 km) |
| Ferney-Voltaire to Stara Zagora | 998.19 mi (1,606.43 km) |
| Ferney-Voltaire to Svilengrad | 1,042.18 mi (1,677.22 km) |
| Ferney-Voltaire to Svishtov | 956.13 mi (1,538.75 km) |
| Ferney-Voltaire to Targovishte | 1,022.83 mi (1,646.09 km) |
| Ferney-Voltaire to Teteven | 920.58 mi (1,481.53 km) |
| Ferney-Voltaire to Troyan | 942.70 mi (1,517.12 km) |
| Ferney-Voltaire to Tryavna | 980.22 mi (1,577.51 km) |
| Ferney-Voltaire to Tutrakan | 1,007.94 mi (1,622.12 km) |
| Ferney-Voltaire to Varna | 1,087.14 mi (1,749.58 km) |
