| Giesen to Smolyan | 1,009.88 mi (1,625.25 km) |
| Giesen to Sofia | 905.79 mi (1,457.73 km) |
| Giesen to Sopot | 954.87 mi (1,536.71 km) |
| Giesen to Sozopol | 1,069.08 mi (1,720.52 km) |
| Giesen to Sredets | 1,054.57 mi (1,697.16 km) |
| Giesen to Stamboliyski | 974.93 mi (1,569.00 km) |
| Giesen to Stara Zagora | 996.47 mi (1,603.67 km) |
| Giesen to Svilengrad | 1,049.65 mi (1,689.25 km) |
| Giesen to Svishtov | 926.62 mi (1,491.26 km) |
| Giesen to Targovishte | 988.36 mi (1,590.61 km) |
| Giesen to Teteven | 924.87 mi (1,488.43 km) |
| Giesen to Troyan | 941.67 mi (1,515.47 km) |
| Giesen to Tryavna | 969.22 mi (1,559.81 km) |
| Giesen to Tutrakan | 951.62 mi (1,531.49 km) |
| Giesen to Varna | 1,038.45 mi (1,671.22 km) |
