| Dayton to Smolyan | 5,265.16 mi (8,473.46 km) |
| Dayton to Sofia | 5,161.57 mi (8,306.74 km) |
| Dayton to Sopot | 5,218.31 mi (8,398.05 km) |
| Dayton to Sozopol | 5,340.41 mi (8,594.56 km) |
| Dayton to Sredets | 5,324.85 mi (8,569.52 km) |
| Dayton to Stamboliyski | 5,233.59 mi (8,422.64 km) |
| Dayton to Stara Zagora | 5,262.50 mi (8,469.18 km) |
| Dayton to Svilengrad | 5,314.30 mi (8,552.54 km) |
| Dayton to Svishtov | 5,196.80 mi (8,363.44 km) |
| Dayton to Targovishte | 5,259.79 mi (8,464.81 km) |
| Dayton to Teteven | 5,187.73 mi (8,348.84 km) |
| Dayton to Troyan | 5,206.39 mi (8,378.88 km) |
| Dayton to Tryavna | 5,236.85 mi (8,427.89 km) |
| Dayton to Tutrakan | 5,223.90 mi (8,407.05 km) |
| Dayton to Varna | 5,310.72 mi (8,546.78 km) |
