| Skokie to Smolyan | 5,290.08 mi (8,513.56 km) |
| Skokie to Sofia | 5,185.93 mi (8,345.94 km) |
| Skokie to Sopot | 5,239.75 mi (8,432.56 km) |
| Skokie to Sozopol | 5,356.05 mi (8,619.73 km) |
| Skokie to Sredets | 5,341.82 mi (8,596.83 km) |
| Skokie to Stamboliyski | 5,257.14 mi (8,460.54 km) |
| Skokie to Stara Zagora | 5,282.65 mi (8,501.61 km) |
| Skokie to Svilengrad | 5,335.30 mi (8,586.34 km) |
| Skokie to Svishtov | 5,213.88 mi (8,390.93 km) |
| Skokie to Targovishte | 5,275.33 mi (8,489.83 km) |
| Skokie to Teteven | 5,209.37 mi (8,383.68 km) |
| Skokie to Troyan | 5,227.17 mi (8,412.32 km) |
| Skokie to Tryavna | 5,255.97 mi (8,458.66 km) |
| Skokie to Tutrakan | 5,236.87 mi (8,427.93 km) |
| Skokie to Varna | 5,323.43 mi (8,567.23 km) |
