| Redcar to Smolyan | 1,477.43 mi (2,377.70 km) |
| Redcar to Sofia | 1,373.19 mi (2,209.93 km) |
| Redcar to Sopot | 1,426.80 mi (2,296.21 km) |
| Redcar to Sozopol | 1,546.64 mi (2,489.07 km) |
| Redcar to Sredets | 1,531.18 mi (2,464.19 km) |
| Redcar to Stamboliyski | 1,444.17 mi (2,324.17 km) |
| Redcar to Stara Zagora | 1,470.06 mi (2,365.84 km) |
| Redcar to Svilengrad | 1,522.48 mi (2,450.19 km) |
| Redcar to Svishtov | 1,403.11 mi (2,258.09 km) |
| Redcar to Targovishte | 1,466.03 mi (2,359.34 km) |
| Redcar to Teteven | 1,396.39 mi (2,247.27 km) |
| Redcar to Troyan | 1,414.36 mi (2,276.19 km) |
| Redcar to Tryavna | 1,443.83 mi (2,323.61 km) |
| Redcar to Tutrakan | 1,430.82 mi (2,302.69 km) |
| Redcar to Varna | 1,517.66 mi (2,442.43 km) |
