| Burr Ridge to Smolyan | 5,310.64 mi (8,546.65 km) |
| Burr Ridge to Sofia | 5,206.50 mi (8,379.05 km) |
| Burr Ridge to Sopot | 5,260.42 mi (8,465.82 km) |
| Burr Ridge to Sozopol | 5,376.89 mi (8,653.27 km) |
| Burr Ridge to Sredets | 5,362.62 mi (8,630.31 km) |
| Burr Ridge to Stamboliyski | 5,277.74 mi (8,493.70 km) |
| Burr Ridge to Stara Zagora | 5,303.36 mi (8,534.93 km) |
| Burr Ridge to Svilengrad | 5,355.99 mi (8,619.63 km) |
| Burr Ridge to Svishtov | 5,234.68 mi (8,424.40 km) |
| Burr Ridge to Targovishte | 5,296.17 mi (8,523.37 km) |
| Burr Ridge to Teteven | 5,230.03 mi (8,416.92 km) |
| Burr Ridge to Troyan | 5,247.86 mi (8,445.61 km) |
| Burr Ridge to Tryavna | 5,276.71 mi (8,492.04 km) |
| Burr Ridge to Tutrakan | 5,257.78 mi (8,461.58 km) |
| Burr Ridge to Varna | 5,344.35 mi (8,600.90 km) |
