| Fort Dodge to Smolyan | 5,493.02 mi (8,840.16 km) |
| Fort Dodge to Sofia | 5,388.73 mi (8,672.32 km) |
| Fort Dodge to Sopot | 5,439.15 mi (8,753.47 km) |
| Fort Dodge to Sozopol | 5,548.56 mi (8,929.54 km) |
| Fort Dodge to Sredets | 5,535.86 mi (8,909.10 km) |
| Fort Dodge to Stamboliyski | 5,458.75 mi (8,785.00 km) |
| Fort Dodge to Stara Zagora | 5,480.45 mi (8,819.94 km) |
| Fort Dodge to Svilengrad | 5,533.80 mi (8,905.79 km) |
| Fort Dodge to Svishtov | 5,408.63 mi (8,704.35 km) |
| Fort Dodge to Targovishte | 5,468.11 mi (8,800.07 km) |
| Fort Dodge to Teteven | 5,409.13 mi (8,705.16 km) |
| Fort Dodge to Troyan | 5,425.90 mi (8,732.15 km) |
| Fort Dodge to Tryavna | 5,452.76 mi (8,775.37 km) |
| Fort Dodge to Tutrakan | 5,426.97 mi (8,733.86 km) |
| Fort Dodge to Varna | 5,512.82 mi (8,872.03 km) |
