| Montbeliard to Smolyan | 968.90 mi (1,559.29 km) |
| Montbeliard to Sofia | 869.75 mi (1,399.73 km) |
| Montbeliard to Sopot | 935.25 mi (1,505.13 km) |
| Montbeliard to Sozopol | 1,076.69 mi (1,732.77 km) |
| Montbeliard to Sredets | 1,055.90 mi (1,699.31 km) |
| Montbeliard to Stamboliyski | 942.39 mi (1,516.63 km) |
| Montbeliard to Stara Zagora | 982.83 mi (1,581.71 km) |
| Montbeliard to Svilengrad | 1,029.50 mi (1,656.81 km) |
| Montbeliard to Svishtov | 934.18 mi (1,503.42 km) |
| Montbeliard to Targovishte | 1,001.03 mi (1,611.00 km) |
| Montbeliard to Teteven | 905.06 mi (1,456.55 km) |
| Montbeliard to Troyan | 926.48 mi (1,491.02 km) |
| Montbeliard to Tryavna | 962.58 mi (1,549.13 km) |
| Montbeliard to Tutrakan | 981.40 mi (1,579.41 km) |
| Montbeliard to Varna | 1,063.40 mi (1,711.37 km) |
