| Franklin Park to Smolyan | 5,300.02 mi (8,529.56 km) |
| Franklin Park to Sofia | 5,195.87 mi (8,361.94 km) |
| Franklin Park to Sopot | 5,249.69 mi (8,448.56 km) |
| Franklin Park to Sozopol | 5,365.98 mi (8,635.71 km) |
| Franklin Park to Sredets | 5,351.75 mi (8,612.81 km) |
| Franklin Park to Stamboliyski | 5,267.08 mi (8,476.54 km) |
| Franklin Park to Stara Zagora | 5,292.59 mi (8,517.60 km) |
| Franklin Park to Svilengrad | 5,345.24 mi (8,602.34 km) |
| Franklin Park to Svishtov | 5,223.82 mi (8,406.92 km) |
| Franklin Park to Targovishte | 5,285.26 mi (8,505.81 km) |
| Franklin Park to Teteven | 5,219.32 mi (8,399.68 km) |
| Franklin Park to Troyan | 5,237.11 mi (8,428.32 km) |
| Franklin Park to Tryavna | 5,265.91 mi (8,474.66 km) |
| Franklin Park to Tutrakan | 5,246.80 mi (8,443.90 km) |
| Franklin Park to Varna | 5,333.35 mi (8,583.20 km) |
