| Walkden to Smolyan | 1,494.89 mi (2,405.79 km) |
| Walkden to Sofia | 1,391.09 mi (2,238.74 km) |
| Walkden to Sopot | 1,447.76 mi (2,329.95 km) |
| Walkden to Sozopol | 1,573.02 mi (2,531.53 km) |
| Walkden to Sredets | 1,556.36 mi (2,504.72 km) |
| Walkden to Stamboliyski | 1,462.98 mi (2,354.43 km) |
| Walkden to Stara Zagora | 1,492.29 mi (2,401.60 km) |
| Walkden to Svilengrad | 1,543.80 mi (2,484.51 km) |
| Walkden to Svishtov | 1,428.59 mi (2,299.09 km) |
| Walkden to Targovishte | 1,492.80 mi (2,402.44 km) |
| Walkden to Teteven | 1,417.16 mi (2,280.70 km) |
| Walkden to Troyan | 1,436.02 mi (2,311.05 km) |
| Walkden to Tryavna | 1,467.12 mi (2,361.11 km) |
| Walkden to Tutrakan | 1,460.31 mi (2,350.14 km) |
| Walkden to Varna | 1,546.93 mi (2,489.54 km) |
