| Haderslev to Smolyan | 1,167.22 mi (1,878.46 km) |
| Haderslev to Sofia | 1,064.99 mi (1,713.94 km) |
| Haderslev to Sopot | 1,105.99 mi (1,779.92 km) |
| Haderslev to Sozopol | 1,204.74 mi (1,938.85 km) |
| Haderslev to Sredets | 1,193.46 mi (1,920.69 km) |
| Haderslev to Stamboliyski | 1,130.28 mi (1,819.02 km) |
| Haderslev to Stara Zagora | 1,143.67 mi (1,840.56 km) |
| Haderslev to Svilengrad | 1,197.64 mi (1,927.42 km) |
| Haderslev to Svishtov | 1,067.83 mi (1,718.51 km) |
| Haderslev to Targovishte | 1,124.80 mi (1,810.19 km) |
| Haderslev to Teteven | 1,077.23 mi (1,733.63 km) |
| Haderslev to Troyan | 1,091.56 mi (1,756.70 km) |
| Haderslev to Tryavna | 1,114.59 mi (1,793.75 km) |
| Haderslev to Tutrakan | 1,081.96 mi (1,741.25 km) |
| Haderslev to Varna | 1,167.44 mi (1,878.81 km) |
