| Carol Stream to Smolyan | 5,310.06 mi (8,545.71 km) |
| Carol Stream to Sofia | 5,205.89 mi (8,378.07 km) |
| Carol Stream to Sopot | 5,259.61 mi (8,464.52 km) |
| Carol Stream to Sozopol | 5,375.68 mi (8,651.33 km) |
| Carol Stream to Sredets | 5,361.50 mi (8,628.51 km) |
| Carol Stream to Stamboliyski | 5,277.07 mi (8,492.62 km) |
| Carol Stream to Stara Zagora | 5,302.46 mi (8,533.49 km) |
| Carol Stream to Svilengrad | 5,355.14 mi (8,618.26 km) |
| Carol Stream to Svishtov | 5,233.58 mi (8,422.64 km) |
| Carol Stream to Targovishte | 5,294.97 mi (8,521.43 km) |
| Carol Stream to Teteven | 5,229.24 mi (8,415.65 km) |
| Carol Stream to Troyan | 5,247.01 mi (8,444.24 km) |
| Carol Stream to Tryavna | 5,275.74 mi (8,490.49 km) |
| Carol Stream to Tutrakan | 5,256.42 mi (8,459.38 km) |
| Carol Stream to Varna | 5,342.95 mi (8,598.65 km) |
