| Coralville to Smolyan | 5,445.14 mi (8,763.10 km) |
| Coralville to Sofia | 5,340.86 mi (8,595.28 km) |
| Coralville to Sopot | 5,393.06 mi (8,679.30 km) |
| Coralville to Sozopol | 5,506.06 mi (8,861.14 km) |
| Coralville to Sredets | 5,492.57 mi (8,839.44 km) |
| Coralville to Stamboliyski | 5,411.53 mi (8,709.02 km) |
| Coralville to Stara Zagora | 5,435.21 mi (8,747.13 km) |
| Coralville to Svilengrad | 5,488.23 mi (8,832.46 km) |
| Coralville to Svishtov | 5,364.91 mi (8,633.98 km) |
| Coralville to Targovishte | 5,425.42 mi (8,731.38 km) |
| Coralville to Teteven | 5,362.84 mi (8,630.66 km) |
| Coralville to Troyan | 5,380.15 mi (8,658.52 km) |
| Coralville to Tryavna | 5,408.02 mi (8,703.37 km) |
| Coralville to Tutrakan | 5,385.62 mi (8,667.32 km) |
| Coralville to Varna | 5,471.88 mi (8,806.14 km) |
