| Gross-Zimmern to Smolyan | 952.59 mi (1,533.05 km) |
| Gross-Zimmern to Sofia | 848.90 mi (1,366.17 km) |
| Gross-Zimmern to Sopot | 906.55 mi (1,458.96 km) |
| Gross-Zimmern to Sozopol | 1,035.50 mi (1,666.48 km) |
| Gross-Zimmern to Sredets | 1,017.78 mi (1,637.96 km) |
| Gross-Zimmern to Stamboliyski | 920.95 mi (1,482.12 km) |
| Gross-Zimmern to Stara Zagora | 951.68 mi (1,531.59 km) |
| Gross-Zimmern to Svilengrad | 1,002.63 mi (1,613.58 km) |
| Gross-Zimmern to Svishtov | 890.71 mi (1,433.47 km) |
| Gross-Zimmern to Targovishte | 955.99 mi (1,538.52 km) |
| Gross-Zimmern to Teteven | 875.91 mi (1,409.63 km) |
| Gross-Zimmern to Troyan | 895.20 mi (1,440.68 km) |
| Gross-Zimmern to Tryavna | 927.28 mi (1,492.32 km) |
| Gross-Zimmern to Tutrakan | 926.98 mi (1,491.83 km) |
| Gross-Zimmern to Varna | 1,012.81 mi (1,629.97 km) |
