| Morton Grove to Smolyan | 5,291.56 mi (8,515.94 km) |
| Morton Grove to Sofia | 5,187.40 mi (8,348.32 km) |
| Morton Grove to Sopot | 5,241.20 mi (8,434.90 km) |
| Morton Grove to Sozopol | 5,357.45 mi (8,621.98 km) |
| Morton Grove to Sredets | 5,343.23 mi (8,599.09 km) |
| Morton Grove to Stamboliyski | 5,258.61 mi (8,462.91 km) |
| Morton Grove to Stara Zagora | 5,284.09 mi (8,503.92 km) |
| Morton Grove to Svilengrad | 5,336.75 mi (8,588.67 km) |
| Morton Grove to Svishtov | 5,215.29 mi (8,393.21 km) |
| Morton Grove to Targovishte | 5,276.73 mi (8,492.08 km) |
| Morton Grove to Teteven | 5,210.83 mi (8,386.02 km) |
| Morton Grove to Troyan | 5,228.62 mi (8,414.65 km) |
| Morton Grove to Tryavna | 5,257.40 mi (8,460.97 km) |
| Morton Grove to Tutrakan | 5,238.25 mi (8,430.15 km) |
| Morton Grove to Varna | 5,324.80 mi (8,569.43 km) |
