| Kappeln to Smolyan | 1,126.74 mi (1,813.31 km) |
| Kappeln to Sofia | 1,024.23 mi (1,648.34 km) |
| Kappeln to Sopot | 1,066.11 mi (1,715.74 km) |
| Kappeln to Sozopol | 1,166.77 mi (1,877.74 km) |
| Kappeln to Sredets | 1,155.08 mi (1,858.92 km) |
| Kappeln to Stamboliyski | 1,089.97 mi (1,754.14 km) |
| Kappeln to Stara Zagora | 1,104.27 mi (1,777.14 km) |
| Kappeln to Svilengrad | 1,158.20 mi (1,863.94 km) |
| Kappeln to Svishtov | 1,029.03 mi (1,656.06 km) |
| Kappeln to Targovishte | 1,086.64 mi (1,748.78 km) |
| Kappeln to Teteven | 1,037.18 mi (1,669.19 km) |
| Kappeln to Troyan | 1,051.80 mi (1,692.71 km) |
| Kappeln to Tryavna | 1,075.36 mi (1,730.62 km) |
| Kappeln to Tutrakan | 1,044.49 mi (1,680.95 km) |
| Kappeln to Varna | 1,130.26 mi (1,818.98 km) |
