| Warrington to Smolyan | 1,498.67 mi (2,411.87 km) |
| Warrington to Sofia | 1,394.95 mi (2,244.96 km) |
| Warrington to Sopot | 1,452.00 mi (2,336.76 km) |
| Warrington to Sozopol | 1,577.89 mi (2,539.38 km) |
| Warrington to Sredets | 1,561.09 mi (2,512.33 km) |
| Warrington to Stamboliyski | 1,466.94 mi (2,360.81 km) |
| Warrington to Stara Zagora | 1,496.66 mi (2,408.65 km) |
| Warrington to Svilengrad | 1,548.05 mi (2,491.35 km) |
| Warrington to Svishtov | 1,433.39 mi (2,306.82 km) |
| Warrington to Targovishte | 1,497.75 mi (2,410.39 km) |
| Warrington to Teteven | 1,421.38 mi (2,287.49 km) |
| Warrington to Troyan | 1,440.34 mi (2,318.01 km) |
| Warrington to Tryavna | 1,471.64 mi (2,368.38 km) |
| Warrington to Tutrakan | 1,465.60 mi (2,358.65 km) |
| Warrington to Varna | 1,552.17 mi (2,497.97 km) |
