| Kirchlengern to Smolyan | 1,050.86 mi (1,691.19 km) |
| Kirchlengern to Sofia | 946.60 mi (1,523.40 km) |
| Kirchlengern to Sopot | 997.48 mi (1,605.29 km) |
| Kirchlengern to Sozopol | 1,114.48 mi (1,793.59 km) |
| Kirchlengern to Sredets | 1,099.42 mi (1,769.35 km) |
| Kirchlengern to Stamboliyski | 1,016.49 mi (1,635.89 km) |
| Kirchlengern to Stara Zagora | 1,039.83 mi (1,673.44 km) |
| Kirchlengern to Svilengrad | 1,092.70 mi (1,758.53 km) |
| Kirchlengern to Svishtov | 971.37 mi (1,563.27 km) |
| Kirchlengern to Targovishte | 1,033.81 mi (1,663.76 km) |
| Kirchlengern to Teteven | 967.28 mi (1,556.69 km) |
| Kirchlengern to Troyan | 984.59 mi (1,584.55 km) |
| Kirchlengern to Tryavna | 1,013.02 mi (1,630.30 km) |
| Kirchlengern to Tutrakan | 998.19 mi (1,606.43 km) |
| Kirchlengern to Varna | 1,085.03 mi (1,746.18 km) |
