| Siloam Springs to Smolyan | 5,833.70 mi (9,388.43 km) |
| Siloam Springs to Sofia | 5,729.56 mi (9,220.84 km) |
| Siloam Springs to Sopot | 5,783.46 mi (9,307.58 km) |
| Siloam Springs to Sozopol | 5,899.66 mi (9,494.59 km) |
| Siloam Springs to Sredets | 5,885.48 mi (9,471.77 km) |
| Siloam Springs to Stamboliyski | 5,800.80 mi (9,335.49 km) |
| Siloam Springs to Stara Zagora | 5,826.37 mi (9,376.64 km) |
| Siloam Springs to Svilengrad | 5,879.02 mi (9,461.37 km) |
| Siloam Springs to Svishtov | 5,757.56 mi (9,265.89 km) |
| Siloam Springs to Targovishte | 5,818.95 mi (9,364.70 km) |
| Siloam Springs to Teteven | 5,753.08 mi (9,258.69 km) |
| Siloam Springs to Troyan | 5,770.89 mi (9,287.35 km) |
| Siloam Springs to Tryavna | 5,799.68 mi (9,333.69 km) |
| Siloam Springs to Tutrakan | 5,780.36 mi (9,302.58 km) |
| Siloam Springs to Varna | 5,866.88 mi (9,441.83 km) |
