| Schleswig to Smolyan | 1,129.45 mi (1,817.67 km) |
| Schleswig to Sofia | 1,026.64 mi (1,652.22 km) |
| Schleswig to Sopot | 1,069.50 mi (1,721.19 km) |
| Schleswig to Sozopol | 1,171.88 mi (1,885.97 km) |
| Schleswig to Sredets | 1,159.86 mi (1,866.61 km) |
| Schleswig to Stamboliyski | 1,092.90 mi (1,758.85 km) |
| Schleswig to Stara Zagora | 1,108.12 mi (1,783.35 km) |
| Schleswig to Svilengrad | 1,162.00 mi (1,870.06 km) |
| Schleswig to Svishtov | 1,033.46 mi (1,663.20 km) |
| Schleswig to Targovishte | 1,091.61 mi (1,756.78 km) |
| Schleswig to Teteven | 1,040.41 mi (1,674.38 km) |
| Schleswig to Troyan | 1,055.32 mi (1,698.37 km) |
| Schleswig to Tryavna | 1,079.39 mi (1,737.11 km) |
| Schleswig to Tutrakan | 1,050.04 mi (1,689.88 km) |
| Schleswig to Varna | 1,136.01 mi (1,828.23 km) |
