| Central Falls to Smolyan | 4,657.92 mi (7,496.20 km) |
| Central Falls to Sofia | 4,555.72 mi (7,331.73 km) |
| Central Falls to Sopot | 4,616.10 mi (7,428.90 km) |
| Central Falls to Sozopol | 4,745.57 mi (7,637.25 km) |
| Central Falls to Sredets | 4,728.23 mi (7,609.34 km) |
| Central Falls to Stamboliyski | 4,628.39 mi (7,448.68 km) |
| Central Falls to Stara Zagora | 4,661.80 mi (7,502.45 km) |
| Central Falls to Svilengrad | 4,712.08 mi (7,583.37 km) |
| Central Falls to Svishtov | 4,600.88 mi (7,404.40 km) |
| Central Falls to Targovishte | 4,665.63 mi (7,508.61 km) |
| Central Falls to Teteven | 4,585.44 mi (7,379.56 km) |
| Central Falls to Troyan | 4,605.19 mi (7,411.34 km) |
| Central Falls to Tryavna | 4,637.76 mi (7,463.76 km) |
| Central Falls to Tutrakan | 4,633.74 mi (7,457.28 km) |
| Central Falls to Varna | 4,720.34 mi (7,596.65 km) |
