| McHenry to Smolyan | 5,295.42 mi (8,522.16 km) |
| McHenry to Sofia | 5,191.22 mi (8,354.47 km) |
| McHenry to Sopot | 5,244.61 mi (8,440.38 km) |
| McHenry to Sozopol | 5,360.03 mi (8,626.13 km) |
| McHenry to Sredets | 5,345.99 mi (8,603.54 km) |
| McHenry to Stamboliyski | 5,262.29 mi (8,468.84 km) |
| McHenry to Stara Zagora | 5,287.31 mi (8,509.10 km) |
| McHenry to Svilengrad | 5,340.07 mi (8,594.01 km) |
| McHenry to Svishtov | 5,218.12 mi (8,397.74 km) |
| McHenry to Targovishte | 5,279.32 mi (8,496.25 km) |
| McHenry to Teteven | 5,214.27 mi (8,391.56 km) |
| McHenry to Troyan | 5,231.94 mi (8,419.99 km) |
| McHenry to Tryavna | 5,260.48 mi (8,465.93 km) |
| McHenry to Tutrakan | 5,240.50 mi (8,433.78 km) |
| McHenry to Varna | 5,326.99 mi (8,572.96 km) |
