| Chelles to Smolyan | 1,182.00 mi (1,902.24 km) |
| Chelles to Sofia | 1,081.79 mi (1,740.98 km) |
| Chelles to Sopot | 1,145.97 mi (1,844.25 km) |
| Chelles to Sozopol | 1,284.82 mi (2,067.72 km) |
| Chelles to Sredets | 1,264.79 mi (2,035.48 km) |
| Chelles to Stamboliyski | 1,154.57 mi (1,858.10 km) |
| Chelles to Stara Zagora | 1,193.17 mi (1,920.22 km) |
| Chelles to Svilengrad | 1,240.89 mi (1,997.02 km) |
| Chelles to Svishtov | 1,141.15 mi (1,836.51 km) |
| Chelles to Targovishte | 1,207.80 mi (1,943.77 km) |
| Chelles to Teteven | 1,115.56 mi (1,795.33 km) |
| Chelles to Troyan | 1,136.59 mi (1,829.16 km) |
| Chelles to Tryavna | 1,171.87 mi (1,885.94 km) |
| Chelles to Tutrakan | 1,185.08 mi (1,907.20 km) |
| Chelles to Varna | 1,268.67 mi (2,041.73 km) |
