| Cleckheaton to Smolyan | 1,474.73 mi (2,373.35 km) |
| Cleckheaton to Sofia | 1,370.77 mi (2,206.05 km) |
| Cleckheaton to Sopot | 1,426.69 mi (2,296.03 km) |
| Cleckheaton to Sozopol | 1,550.64 mi (2,495.52 km) |
| Cleckheaton to Sredets | 1,534.27 mi (2,469.17 km) |
| Cleckheaton to Stamboliyski | 1,442.46 mi (2,321.42 km) |
| Cleckheaton to Stara Zagora | 1,470.91 mi (2,367.20 km) |
| Cleckheaton to Svilengrad | 1,522.67 mi (2,450.50 km) |
| Cleckheaton to Svishtov | 1,406.38 mi (2,263.36 km) |
| Cleckheaton to Targovishte | 1,470.31 mi (2,366.23 km) |
| Cleckheaton to Teteven | 1,396.12 mi (2,246.84 km) |
| Cleckheaton to Troyan | 1,414.77 mi (2,276.84 km) |
| Cleckheaton to Tryavna | 1,445.47 mi (2,326.26 km) |
| Cleckheaton to Tutrakan | 1,437.15 mi (2,312.87 km) |
| Cleckheaton to Varna | 1,523.85 mi (2,452.40 km) |
