| Bargoed to Smolyan | 1,485.33 mi (2,390.40 km) |
| Bargoed to Sofia | 1,382.93 mi (2,225.61 km) |
| Bargoed to Sopot | 1,443.59 mi (2,323.23 km) |
| Bargoed to Sozopol | 1,575.88 mi (2,536.14 km) |
| Bargoed to Sredets | 1,557.57 mi (2,506.67 km) |
| Bargoed to Stamboliyski | 1,455.58 mi (2,342.54 km) |
| Bargoed to Stara Zagora | 1,489.62 mi (2,397.31 km) |
| Bargoed to Svilengrad | 1,539.49 mi (2,477.57 km) |
| Bargoed to Svishtov | 1,431.11 mi (2,303.15 km) |
| Bargoed to Targovishte | 1,496.77 mi (2,408.82 km) |
| Bargoed to Teteven | 1,412.94 mi (2,273.91 km) |
| Bargoed to Troyan | 1,432.94 mi (2,306.10 km) |
| Bargoed to Tryavna | 1,466.19 mi (2,359.61 km) |
| Bargoed to Tutrakan | 1,468.47 mi (2,363.28 km) |
| Bargoed to Varna | 1,554.20 mi (2,501.24 km) |
