| Besancon to Smolyan | 998.19 mi (1,606.43 km) |
| Besancon to Sofia | 900.08 mi (1,448.53 km) |
| Besancon to Sopot | 966.45 mi (1,555.35 km) |
| Besancon to Sozopol | 1,109.20 mi (1,785.09 km) |
| Besancon to Sredets | 1,088.06 mi (1,751.06 km) |
| Besancon to Stamboliyski | 972.54 mi (1,565.14 km) |
| Besancon to Stara Zagora | 1,014.22 mi (1,632.24 km) |
| Besancon to Svilengrad | 1,060.15 mi (1,706.15 km) |
| Besancon to Svishtov | 967.35 mi (1,556.81 km) |
| Besancon to Targovishte | 1,034.22 mi (1,664.41 km) |
| Besancon to Teteven | 936.42 mi (1,507.03 km) |
| Besancon to Troyan | 958.06 mi (1,541.86 km) |
| Besancon to Tryavna | 994.61 mi (1,600.66 km) |
| Besancon to Tutrakan | 1,015.80 mi (1,634.77 km) |
| Besancon to Varna | 1,097.14 mi (1,765.68 km) |
