| Bulwell to Smolyan | 1,435.12 mi (2,309.60 km) |
| Bulwell to Sofia | 1,331.43 mi (2,142.73 km) |
| Bulwell to Sopot | 1,388.61 mi (2,234.76 km) |
| Bulwell to Sozopol | 1,514.93 mi (2,438.05 km) |
| Bulwell to Sredets | 1,498.01 mi (2,410.82 km) |
| Bulwell to Stamboliyski | 1,403.44 mi (2,258.62 km) |
| Bulwell to Stara Zagora | 1,433.36 mi (2,306.77 km) |
| Bulwell to Svilengrad | 1,484.68 mi (2,389.36 km) |
| Bulwell to Svishtov | 1,370.37 mi (2,205.40 km) |
| Bulwell to Targovishte | 1,434.85 mi (2,309.16 km) |
| Bulwell to Teteven | 1,357.99 mi (2,185.48 km) |
| Bulwell to Troyan | 1,377.01 mi (2,216.08 km) |
| Bulwell to Tryavna | 1,408.42 mi (2,266.64 km) |
| Bulwell to Tutrakan | 1,403.03 mi (2,257.96 km) |
| Bulwell to Varna | 1,489.54 mi (2,397.19 km) |
