| Bismarck to Smolyan | 5,474.14 mi (8,809.78 km) |
| Bismarck to Sofia | 5,370.68 mi (8,643.28 km) |
| Bismarck to Sopot | 5,414.94 mi (8,714.50 km) |
| Bismarck to Sozopol | 5,511.93 mi (8,870.60 km) |
| Bismarck to Sredets | 5,501.85 mi (8,854.37 km) |
| Bismarck to Stamboliyski | 5,438.00 mi (8,751.62 km) |
| Bismarck to Stara Zagora | 5,453.18 mi (8,776.04 km) |
| Bismarck to Svilengrad | 5,507.13 mi (8,862.87 km) |
| Bismarck to Svishtov | 5,377.08 mi (8,653.58 km) |
| Bismarck to Targovishte | 5,432.74 mi (8,743.14 km) |
| Bismarck to Teteven | 5,385.82 mi (8,667.64 km) |
| Bismarck to Troyan | 5,400.72 mi (8,691.62 km) |
| Bismarck to Tryavna | 5,424.11 mi (8,729.27 km) |
| Bismarck to Tutrakan | 5,387.70 mi (8,670.67 km) |
| Bismarck to Varna | 5,471.54 mi (8,805.59 km) |
