| Kleve to Smolyan | 1,121.89 mi (1,805.50 km) |
| Kleve to Sofia | 1,017.73 mi (1,637.89 km) |
| Kleve to Sopot | 1,072.65 mi (1,726.26 km) |
| Kleve to Sozopol | 1,196.15 mi (1,925.02 km) |
| Kleve to Sredets | 1,179.74 mi (1,898.60 km) |
| Kleve to Stamboliyski | 1,089.07 mi (1,752.70 km) |
| Kleve to Stara Zagora | 1,116.62 mi (1,797.03 km) |
| Kleve to Svilengrad | 1,168.56 mi (1,880.61 km) |
| Kleve to Svishtov | 1,051.85 mi (1,692.79 km) |
| Kleve to Targovishte | 1,115.85 mi (1,795.79 km) |
| Kleve to Teteven | 1,042.13 mi (1,677.14 km) |
| Kleve to Troyan | 1,060.57 mi (1,706.83 km) |
| Kleve to Tryavna | 1,091.03 mi (1,755.85 km) |
| Kleve to Tutrakan | 1,083.19 mi (1,743.23 km) |
| Kleve to Varna | 1,169.81 mi (1,882.62 km) |
