| Skelmersdale to Smolyan | 1,509.89 mi (2,429.94 km) |
| Skelmersdale to Sofia | 1,406.12 mi (2,262.94 km) |
| Skelmersdale to Sopot | 1,462.92 mi (2,354.35 km) |
| Skelmersdale to Sozopol | 1,588.36 mi (2,556.22 km) |
| Skelmersdale to Sredets | 1,571.66 mi (2,529.35 km) |
| Skelmersdale to Stamboliyski | 1,478.05 mi (2,378.69 km) |
| Skelmersdale to Stara Zagora | 1,507.49 mi (2,426.07 km) |
| Skelmersdale to Svilengrad | 1,558.97 mi (2,508.92 km) |
| Skelmersdale to Svishtov | 1,443.91 mi (2,323.75 km) |
| Skelmersdale to Targovishte | 1,508.16 mi (2,427.15 km) |
| Skelmersdale to Teteven | 1,432.32 mi (2,305.09 km) |
| Skelmersdale to Troyan | 1,451.21 mi (2,335.50 km) |
| Skelmersdale to Tryavna | 1,482.37 mi (2,385.65 km) |
| Skelmersdale to Tutrakan | 1,475.74 mi (2,374.98 km) |
| Skelmersdale to Varna | 1,562.35 mi (2,514.36 km) |
