| Kleppe to Smolyan | 1,446.79 mi (2,328.38 km) |
| Kleppe to Sofia | 1,345.58 mi (2,165.50 km) |
| Kleppe to Sopot | 1,383.61 mi (2,226.70 km) |
| Kleppe to Sozopol | 1,475.04 mi (2,373.85 km) |
| Kleppe to Sredets | 1,465.37 mi (2,358.29 km) |
| Kleppe to Stamboliyski | 1,409.32 mi (2,268.08 km) |
| Kleppe to Stara Zagora | 1,419.54 mi (2,284.53 km) |
| Kleppe to Svilengrad | 1,473.53 mi (2,371.42 km) |
| Kleppe to Svishtov | 1,341.70 mi (2,159.26 km) |
| Kleppe to Targovishte | 1,396.09 mi (2,246.79 km) |
| Kleppe to Teteven | 1,355.46 mi (2,181.40 km) |
| Kleppe to Troyan | 1,368.79 mi (2,202.86 km) |
| Kleppe to Tryavna | 1,389.88 mi (2,236.80 km) |
| Kleppe to Tutrakan | 1,350.72 mi (2,173.77 km) |
| Kleppe to Varna | 1,434.70 mi (2,308.93 km) |
