| Crossville to Smolyan | 5,480.70 mi (8,820.34 km) |
| Crossville to Sofia | 5,377.69 mi (8,654.56 km) |
| Crossville to Sopot | 5,436.22 mi (8,748.75 km) |
| Crossville to Sozopol | 5,561.76 mi (8,950.79 km) |
| Crossville to Sredets | 5,545.40 mi (8,924.46 km) |
| Crossville to Stamboliyski | 5,450.09 mi (8,771.08 km) |
| Crossville to Stara Zagora | 5,481.15 mi (8,821.06 km) |
| Crossville to Svilengrad | 5,532.29 mi (8,903.37 km) |
| Crossville to Svishtov | 5,417.54 mi (8,718.68 km) |
| Crossville to Targovishte | 5,481.36 mi (8,821.39 km) |
| Crossville to Teteven | 5,405.57 mi (8,699.43 km) |
| Crossville to Troyan | 5,424.76 mi (8,730.31 km) |
| Crossville to Tryavna | 5,456.21 mi (8,780.92 km) |
| Crossville to Tutrakan | 5,447.13 mi (8,766.31 km) |
| Crossville to Varna | 5,533.95 mi (8,906.03 km) |
