| Addison to Smolyan | 5,304.96 mi (8,537.51 km) |
| Addison to Sofia | 5,200.80 mi (8,369.88 km) |
| Addison to Sopot | 5,254.57 mi (8,456.41 km) |
| Addison to Sozopol | 5,370.74 mi (8,643.37 km) |
| Addison to Sredets | 5,356.54 mi (8,620.52 km) |
| Addison to Stamboliyski | 5,272.00 mi (8,484.46 km) |
| Addison to Stara Zagora | 5,297.44 mi (8,525.41 km) |
| Addison to Svilengrad | 5,350.11 mi (8,610.17 km) |
| Addison to Svishtov | 5,228.61 mi (8,414.64 km) |
| Addison to Targovishte | 5,290.03 mi (8,513.48 km) |
| Addison to Teteven | 5,224.20 mi (8,407.53 km) |
| Addison to Troyan | 5,241.98 mi (8,436.15 km) |
| Addison to Tryavna | 5,270.74 mi (8,482.43 km) |
| Addison to Tutrakan | 5,251.51 mi (8,451.49 km) |
| Addison to Varna | 5,338.06 mi (8,590.77 km) |
