| Montlucon to Smolyan | 1,142.74 mi (1,839.06 km) |
| Montlucon to Sofia | 1,048.28 mi (1,687.04 km) |
| Montlucon to Sopot | 1,116.90 mi (1,797.47 km) |
| Montlucon to Sozopol | 1,262.97 mi (2,032.56 km) |
| Montlucon to Sredets | 1,240.83 mi (1,996.92 km) |
| Montlucon to Stamboliyski | 1,119.80 mi (1,802.14 km) |
| Montlucon to Stara Zagora | 1,165.03 mi (1,874.94 km) |
| Montlucon to Svilengrad | 1,208.56 mi (1,944.99 km) |
| Montlucon to Svishtov | 1,123.52 mi (1,808.13 km) |
| Montlucon to Targovishte | 1,190.21 mi (1,915.45 km) |
| Montlucon to Teteven | 1,087.50 mi (1,750.16 km) |
| Montlucon to Troyan | 1,109.69 mi (1,785.87 km) |
| Montlucon to Tryavna | 1,147.34 mi (1,846.47 km) |
| Montlucon to Tutrakan | 1,175.25 mi (1,891.38 km) |
| Montlucon to Varna | 1,254.53 mi (2,018.98 km) |
