| Campbellsville to Smolyan | 5,426.41 mi (8,732.97 km) |
| Campbellsville to Sofia | 5,323.08 mi (8,566.68 km) |
| Campbellsville to Sopot | 5,380.71 mi (8,659.42 km) |
| Campbellsville to Sozopol | 5,504.50 mi (8,858.64 km) |
| Campbellsville to Sredets | 5,488.56 mi (8,832.98 km) |
| Campbellsville to Stamboliyski | 5,395.31 mi (8,682.90 km) |
| Campbellsville to Stara Zagora | 5,425.27 mi (8,731.14 km) |
| Campbellsville to Svilengrad | 5,476.76 mi (8,814.00 km) |
| Campbellsville to Svishtov | 5,360.57 mi (8,627.00 km) |
| Campbellsville to Targovishte | 5,423.97 mi (8,729.03 km) |
| Campbellsville to Teteven | 5,350.09 mi (8,610.14 km) |
| Campbellsville to Troyan | 5,369.02 mi (8,640.60 km) |
| Campbellsville to Tryavna | 5,399.96 mi (8,690.40 km) |
| Campbellsville to Tutrakan | 5,388.86 mi (8,672.54 km) |
| Campbellsville to Varna | 5,475.70 mi (8,812.29 km) |
