| Denain to Smolyan | 1,182.20 mi (1,902.56 km) |
| Denain to Sofia | 1,079.70 mi (1,737.60 km) |
| Denain to Sopot | 1,140.37 mi (1,835.25 km) |
| Denain to Sozopol | 1,273.41 mi (2,049.35 km) |
| Denain to Sredets | 1,254.84 mi (2,019.46 km) |
| Denain to Stamboliyski | 1,152.33 mi (1,854.50 km) |
| Denain to Stara Zagora | 1,186.48 mi (1,909.45 km) |
| Denain to Svilengrad | 1,236.25 mi (1,989.55 km) |
| Denain to Svishtov | 1,128.71 mi (1,816.48 km) |
| Denain to Targovishte | 1,194.59 mi (1,922.51 km) |
| Denain to Teteven | 1,109.73 mi (1,785.94 km) |
| Denain to Troyan | 1,129.79 mi (1,818.22 km) |
| Denain to Tryavna | 1,163.23 mi (1,872.03 km) |
| Denain to Tutrakan | 1,167.45 mi (1,878.82 km) |
| Denain to Varna | 1,252.77 mi (2,016.15 km) |
