| Wallasey to Smolyan | 1,515.92 mi (2,439.63 km) |
| Wallasey to Sofia | 1,412.24 mi (2,272.78 km) |
| Wallasey to Sopot | 1,469.43 mi (2,364.81 km) |
| Wallasey to Sozopol | 1,595.53 mi (2,567.76 km) |
| Wallasey to Sredets | 1,578.69 mi (2,540.65 km) |
| Wallasey to Stamboliyski | 1,484.26 mi (2,388.69 km) |
| Wallasey to Stara Zagora | 1,514.14 mi (2,436.78 km) |
| Wallasey to Svilengrad | 1,565.49 mi (2,519.41 km) |
| Wallasey to Svishtov | 1,451.01 mi (2,335.18 km) |
| Wallasey to Targovishte | 1,515.41 mi (2,438.81 km) |
| Wallasey to Teteven | 1,438.80 mi (2,315.53 km) |
| Wallasey to Troyan | 1,457.81 mi (2,346.11 km) |
| Wallasey to Tryavna | 1,489.17 mi (2,396.59 km) |
| Wallasey to Tutrakan | 1,483.34 mi (2,387.21 km) |
| Wallasey to Varna | 1,569.90 mi (2,526.52 km) |
