| Columbus to Smolyan | 5,208.30 mi (8,381.96 km) |
| Columbus to Sofia | 5,104.82 mi (8,215.41 km) |
| Columbus to Sopot | 5,161.95 mi (8,307.36 km) |
| Columbus to Sozopol | 5,284.86 mi (8,505.16 km) |
| Columbus to Sredets | 5,269.11 mi (8,479.82 km) |
| Columbus to Stamboliyski | 5,176.93 mi (8,331.46 km) |
| Columbus to Stara Zagora | 5,206.32 mi (8,378.76 km) |
| Columbus to Svilengrad | 5,257.98 mi (8,461.90 km) |
| Columbus to Svishtov | 5,141.09 mi (8,273.78 km) |
| Columbus to Targovishte | 5,204.28 mi (8,375.47 km) |
| Columbus to Teteven | 5,131.36 mi (8,258.12 km) |
| Columbus to Troyan | 5,150.14 mi (8,288.35 km) |
| Columbus to Tryavna | 5,180.82 mi (8,337.73 km) |
| Columbus to Tutrakan | 5,168.78 mi (8,318.35 km) |
| Columbus to Varna | 5,255.62 mi (8,458.10 km) |
