| Centralia to Smolyan | 6,020.68 mi (9,689.35 km) |
| Centralia to Sofia | 5,922.87 mi (9,531.94 km) |
| Centralia to Sopot | 5,953.07 mi (9,580.53 km) |
| Centralia to Sozopol | 6,020.97 mi (9,689.81 km) |
| Centralia to Sredets | 6,016.66 mi (9,682.88 km) |
| Centralia to Stamboliyski | 5,982.19 mi (9,627.41 km) |
| Centralia to Stara Zagora | 5,983.62 mi (9,629.70 km) |
| Centralia to Svilengrad | 6,036.68 mi (9,715.10 km) |
| Centralia to Svishtov | 5,901.87 mi (9,498.14 km) |
| Centralia to Targovishte | 5,947.51 mi (9,571.59 km) |
| Centralia to Teteven | 5,926.89 mi (9,538.40 km) |
| Centralia to Troyan | 5,937.45 mi (9,555.40 km) |
| Centralia to Tryavna | 5,952.92 mi (9,580.30 km) |
| Centralia to Tutrakan | 5,896.27 mi (9,489.14 km) |
| Centralia to Varna | 5,972.57 mi (9,611.93 km) |
