| Checy to Smolyan | 1,189.69 mi (1,914.62 km) |
| Checy to Sofia | 1,091.58 mi (1,756.73 km) |
| Checy to Sopot | 1,157.79 mi (1,863.28 km) |
| Checy to Sozopol | 1,299.96 mi (2,092.08 km) |
| Checy to Sredets | 1,279.02 mi (2,058.38 km) |
| Checy to Stamboliyski | 1,164.06 mi (1,873.37 km) |
| Checy to Stara Zagora | 1,205.50 mi (1,940.07 km) |
| Checy to Svilengrad | 1,251.62 mi (2,014.29 km) |
| Checy to Svishtov | 1,157.62 mi (1,863.00 km) |
| Checy to Targovishte | 1,224.47 mi (1,970.59 km) |
| Checy to Teteven | 1,127.71 mi (1,814.87 km) |
| Checy to Troyan | 1,149.27 mi (1,849.57 km) |
| Checy to Tryavna | 1,185.62 mi (1,908.08 km) |
| Checy to Tutrakan | 1,204.80 mi (1,938.93 km) |
| Checy to Varna | 1,286.88 mi (2,071.04 km) |
