| Rock Hill to Smolyan | 5,364.77 mi (8,633.76 km) |
| Rock Hill to Sofia | 5,262.78 mi (8,469.62 km) |
| Rock Hill to Sopot | 5,323.48 mi (8,567.31 km) |
| Rock Hill to Sozopol | 5,453.35 mi (8,776.32 km) |
| Rock Hill to Sredets | 5,435.93 mi (8,748.29 km) |
| Rock Hill to Stamboliyski | 5,335.48 mi (8,586.63 km) |
| Rock Hill to Stara Zagora | 5,369.28 mi (8,641.03 km) |
| Rock Hill to Svilengrad | 5,419.43 mi (8,721.72 km) |
| Rock Hill to Svishtov | 5,308.64 mi (8,543.44 km) |
| Rock Hill to Targovishte | 5,373.45 mi (8,647.73 km) |
| Rock Hill to Teteven | 5,292.82 mi (8,517.97 km) |
| Rock Hill to Troyan | 5,312.65 mi (8,549.89 km) |
| Rock Hill to Tryavna | 5,345.36 mi (8,602.52 km) |
| Rock Hill to Tutrakan | 5,341.63 mi (8,596.52 km) |
| Rock Hill to Varna | 5,428.22 mi (8,735.88 km) |
