| Downers Grove to Smolyan | 5,311.93 mi (8,548.72 km) |
| Downers Grove to Sofia | 5,207.78 mi (8,381.11 km) |
| Downers Grove to Sopot | 5,261.62 mi (8,467.76 km) |
| Downers Grove to Sozopol | 5,377.95 mi (8,654.98 km) |
| Downers Grove to Sredets | 5,363.72 mi (8,632.07 km) |
| Downers Grove to Stamboliyski | 5,279.00 mi (8,495.72 km) |
| Downers Grove to Stara Zagora | 5,304.53 mi (8,536.82 km) |
| Downers Grove to Svilengrad | 5,357.18 mi (8,621.55 km) |
| Downers Grove to Svishtov | 5,235.78 mi (8,426.17 km) |
| Downers Grove to Targovishte | 5,297.24 mi (8,525.08 km) |
| Downers Grove to Teteven | 5,231.25 mi (8,418.88 km) |
| Downers Grove to Troyan | 5,249.05 mi (8,447.53 km) |
| Downers Grove to Tryavna | 5,277.86 mi (8,493.89 km) |
| Downers Grove to Tutrakan | 5,258.78 mi (8,463.20 km) |
| Downers Grove to Varna | 5,345.34 mi (8,602.49 km) |
