| Blue Ash to Smolyan | 5,297.48 mi (8,525.47 km) |
| Blue Ash to Sofia | 5,193.94 mi (8,358.85 km) |
| Blue Ash to Sopot | 5,250.92 mi (8,450.53 km) |
| Blue Ash to Sozopol | 5,373.46 mi (8,647.75 km) |
| Blue Ash to Sredets | 5,357.80 mi (8,622.55 km) |
| Blue Ash to Stamboliyski | 5,266.02 mi (8,474.84 km) |
| Blue Ash to Stara Zagora | 5,295.21 mi (8,521.81 km) |
| Blue Ash to Svilengrad | 5,346.93 mi (8,605.05 km) |
| Blue Ash to Svishtov | 5,229.76 mi (8,416.49 km) |
| Blue Ash to Targovishte | 5,292.86 mi (8,518.03 km) |
| Blue Ash to Teteven | 5,220.33 mi (8,401.30 km) |
| Blue Ash to Troyan | 5,239.06 mi (8,431.45 km) |
| Blue Ash to Tryavna | 5,269.64 mi (8,480.67 km) |
| Blue Ash to Tutrakan | 5,257.17 mi (8,460.60 km) |
| Blue Ash to Varna | 5,344.00 mi (8,600.34 km) |
