| Rock Ferry to Smolyan | 1,514.25 mi (2,436.96 km) |
| Rock Ferry to Sofia | 1,410.60 mi (2,270.14 km) |
| Rock Ferry to Sopot | 1,467.86 mi (2,362.30 km) |
| Rock Ferry to Sozopol | 1,594.12 mi (2,565.49 km) |
| Rock Ferry to Sredets | 1,577.24 mi (2,538.32 km) |
| Rock Ferry to Stamboliyski | 1,482.64 mi (2,386.07 km) |
| Rock Ferry to Stara Zagora | 1,512.62 mi (2,434.32 km) |
| Rock Ferry to Svilengrad | 1,563.93 mi (2,516.90 km) |
| Rock Ferry to Svishtov | 1,449.58 mi (2,332.87 km) |
| Rock Ferry to Targovishte | 1,514.01 mi (2,436.56 km) |
| Rock Ferry to Teteven | 1,437.24 mi (2,313.01 km) |
| Rock Ferry to Troyan | 1,456.27 mi (2,343.63 km) |
| Rock Ferry to Tryavna | 1,487.68 mi (2,394.18 km) |
| Rock Ferry to Tutrakan | 1,482.03 mi (2,385.10 km) |
| Rock Ferry to Varna | 1,568.58 mi (2,524.38 km) |
