| Hadamar to Smolyan | 1,002.92 mi (1,614.04 km) |
| Hadamar to Sofia | 899.03 mi (1,446.86 km) |
| Hadamar to Sopot | 955.80 mi (1,538.21 km) |
| Hadamar to Sozopol | 1,083.02 mi (1,742.95 km) |
| Hadamar to Sredets | 1,065.71 mi (1,715.10 km) |
| Hadamar to Stamboliyski | 970.88 mi (1,562.47 km) |
| Hadamar to Stara Zagora | 1,000.57 mi (1,610.26 km) |
| Hadamar to Svilengrad | 1,051.86 mi (1,692.81 km) |
| Hadamar to Svishtov | 938.31 mi (1,510.06 km) |
| Hadamar to Targovishte | 1,003.21 mi (1,614.50 km) |
| Hadamar to Teteven | 925.18 mi (1,488.94 km) |
| Hadamar to Troyan | 944.20 mi (1,519.54 km) |
| Hadamar to Tryavna | 975.76 mi (1,570.34 km) |
| Hadamar to Tutrakan | 972.97 mi (1,565.84 km) |
| Hadamar to Varna | 1,059.12 mi (1,704.49 km) |
