| Spearfish to Smolyan | 5,690.94 mi (9,158.68 km) |
| Spearfish to Sofia | 5,587.55 mi (8,992.29 km) |
| Spearfish to Sopot | 5,631.50 mi (9,063.02 km) |
| Spearfish to Sozopol | 5,727.73 mi (9,217.90 km) |
| Spearfish to Sredets | 5,717.82 mi (9,201.94 km) |
| Spearfish to Stamboliyski | 5,654.72 mi (9,100.40 km) |
| Spearfish to Stara Zagora | 5,669.56 mi (9,124.28 km) |
| Spearfish to Svilengrad | 5,723.53 mi (9,211.13 km) |
| Spearfish to Svishtov | 5,593.26 mi (9,001.48 km) |
| Spearfish to Targovishte | 5,648.65 mi (9,090.63 km) |
| Spearfish to Teteven | 5,602.44 mi (9,016.25 km) |
| Spearfish to Troyan | 5,617.24 mi (9,040.07 km) |
| Spearfish to Tryavna | 5,640.43 mi (9,077.40 km) |
| Spearfish to Tutrakan | 5,603.38 mi (9,017.77 km) |
| Spearfish to Varna | 5,687.04 mi (9,152.40 km) |
