| Centereach to Smolyan | 4,770.33 mi (7,677.10 km) |
| Centereach to Sofia | 4,668.15 mi (7,512.66 km) |
| Centereach to Sopot | 4,728.56 mi (7,609.88 km) |
| Centereach to Sozopol | 4,858.04 mi (7,818.26 km) |
| Centereach to Sredets | 4,840.70 mi (7,790.35 km) |
| Centereach to Stamboliyski | 4,740.82 mi (7,629.61 km) |
| Centereach to Stara Zagora | 4,774.27 mi (7,683.44 km) |
| Centereach to Svilengrad | 4,824.54 mi (7,764.34 km) |
| Centereach to Svishtov | 4,713.35 mi (7,585.41 km) |
| Centereach to Targovishte | 4,778.10 mi (7,689.61 km) |
| Centereach to Teteven | 4,697.90 mi (7,560.54 km) |
| Centereach to Troyan | 4,717.66 mi (7,592.33 km) |
| Centereach to Tryavna | 4,750.23 mi (7,644.76 km) |
| Centereach to Tutrakan | 4,746.19 mi (7,638.26 km) |
| Centereach to Varna | 4,832.80 mi (7,777.63 km) |
