| Friedrichshafen to Smolyan | 855.63 mi (1,377.01 km) |
| Friedrichshafen to Sofia | 754.70 mi (1,214.57 km) |
| Friedrichshafen to Sopot | 818.35 mi (1,317.01 km) |
| Friedrichshafen to Sozopol | 957.27 mi (1,540.58 km) |
| Friedrichshafen to Sredets | 937.12 mi (1,508.14 km) |
| Friedrichshafen to Stamboliyski | 827.50 mi (1,331.73 km) |
| Friedrichshafen to Stara Zagora | 865.49 mi (1,392.86 km) |
| Friedrichshafen to Svilengrad | 913.43 mi (1,470.02 km) |
| Friedrichshafen to Svishtov | 813.86 mi (1,309.78 km) |
| Friedrichshafen to Targovishte | 880.59 mi (1,417.18 km) |
| Friedrichshafen to Teteven | 787.92 mi (1,268.03 km) |
| Friedrichshafen to Troyan | 808.89 mi (1,301.78 km) |
| Friedrichshafen to Tryavna | 844.16 mi (1,358.54 km) |
| Friedrichshafen to Tutrakan | 859.20 mi (1,382.75 km) |
| Friedrichshafen to Varna | 942.06 mi (1,516.10 km) |
