| Sturgis to Smolyan | 5,215.74 mi (8,393.92 km) |
| Sturgis to Sofia | 5,111.76 mi (8,226.58 km) |
| Sturgis to Sopot | 5,166.77 mi (8,315.11 km) |
| Sturgis to Sozopol | 5,285.46 mi (8,506.12 km) |
| Sturgis to Sredets | 5,270.68 mi (8,482.34 km) |
| Sturgis to Stamboliyski | 5,183.32 mi (8,341.75 km) |
| Sturgis to Stara Zagora | 5,210.21 mi (8,385.02 km) |
| Sturgis to Svilengrad | 5,262.54 mi (8,469.24 km) |
| Sturgis to Svishtov | 5,142.64 mi (8,276.28 km) |
| Sturgis to Targovishte | 5,204.74 mi (8,376.22 km) |
| Sturgis to Teteven | 5,136.30 mi (8,266.07 km) |
| Sturgis to Troyan | 5,154.45 mi (8,295.29 km) |
| Sturgis to Tryavna | 5,183.92 mi (8,342.72 km) |
| Sturgis to Tutrakan | 5,167.31 mi (8,315.98 km) |
| Sturgis to Varna | 5,254.01 mi (8,455.52 km) |
