| Cincinnati to Smolyan | 5,307.34 mi (8,541.34 km) |
| Cincinnati to Sofia | 5,203.81 mi (8,374.72 km) |
| Cincinnati to Sopot | 5,260.79 mi (8,466.42 km) |
| Cincinnati to Sozopol | 5,383.35 mi (8,663.66 km) |
| Cincinnati to Sredets | 5,367.69 mi (8,638.46 km) |
| Cincinnati to Stamboliyski | 5,275.89 mi (8,490.72 km) |
| Cincinnati to Stara Zagora | 5,305.09 mi (8,537.71 km) |
| Cincinnati to Svilengrad | 5,356.80 mi (8,620.94 km) |
| Cincinnati to Svishtov | 5,239.65 mi (8,432.40 km) |
| Cincinnati to Targovishte | 5,302.75 mi (8,533.94 km) |
| Cincinnati to Teteven | 5,230.20 mi (8,417.19 km) |
| Cincinnati to Troyan | 5,248.94 mi (8,447.35 km) |
| Cincinnati to Tryavna | 5,279.52 mi (8,496.57 km) |
| Cincinnati to Tutrakan | 5,267.06 mi (8,476.52 km) |
| Cincinnati to Varna | 5,353.89 mi (8,616.26 km) |
