| Culcheth to Smolyan | 1,497.66 mi (2,410.25 km) |
| Culcheth to Sofia | 1,393.91 mi (2,243.28 km) |
| Culcheth to Sopot | 1,450.79 mi (2,334.83 km) |
| Culcheth to Sozopol | 1,576.41 mi (2,536.99 km) |
| Culcheth to Sredets | 1,559.67 mi (2,510.05 km) |
| Culcheth to Stamboliyski | 1,465.85 mi (2,359.06 km) |
| Culcheth to Stara Zagora | 1,495.40 mi (2,406.61 km) |
| Culcheth to Svilengrad | 1,546.84 mi (2,489.40 km) |
| Culcheth to Svishtov | 1,431.94 mi (2,304.48 km) |
| Culcheth to Targovishte | 1,496.23 mi (2,407.96 km) |
| Culcheth to Teteven | 1,420.18 mi (2,285.56 km) |
| Culcheth to Troyan | 1,439.10 mi (2,316.01 km) |
| Culcheth to Tryavna | 1,470.32 mi (2,366.24 km) |
| Culcheth to Tutrakan | 1,463.93 mi (2,355.97 km) |
| Culcheth to Varna | 1,550.52 mi (2,495.33 km) |
