| Dillenburg to Smolyan | 1,004.59 mi (1,616.72 km) |
| Dillenburg to Sofia | 900.51 mi (1,449.24 km) |
| Dillenburg to Sopot | 956.19 mi (1,538.84 km) |
| Dillenburg to Sozopol | 1,081.59 mi (1,740.65 km) |
| Dillenburg to Sredets | 1,064.69 mi (1,713.46 km) |
| Dillenburg to Stamboliyski | 972.05 mi (1,564.37 km) |
| Dillenburg to Stara Zagora | 1,000.54 mi (1,610.21 km) |
| Dillenburg to Svilengrad | 1,052.19 mi (1,693.34 km) |
| Dillenburg to Svishtov | 937.03 mi (1,508.00 km) |
| Dillenburg to Targovishte | 1,001.54 mi (1,611.82 km) |
| Dillenburg to Teteven | 925.62 mi (1,489.64 km) |
| Dillenburg to Troyan | 944.33 mi (1,519.75 km) |
| Dillenburg to Tryavna | 975.33 mi (1,569.64 km) |
| Dillenburg to Tutrakan | 970.27 mi (1,561.49 km) |
| Dillenburg to Varna | 1,056.64 mi (1,700.49 km) |
