| Barwell to Smolyan | 1,429.56 mi (2,300.65 km) |
| Barwell to Sofia | 1,326.15 mi (2,134.23 km) |
| Barwell to Sopot | 1,384.32 mi (2,227.84 km) |
| Barwell to Sozopol | 1,512.38 mi (2,433.94 km) |
| Barwell to Sredets | 1,495.06 mi (2,406.06 km) |
| Barwell to Stamboliyski | 1,398.38 mi (2,250.48 km) |
| Barwell to Stara Zagora | 1,429.44 mi (2,300.47 km) |
| Barwell to Svilengrad | 1,480.39 mi (2,382.47 km) |
| Barwell to Svishtov | 1,367.68 mi (2,201.06 km) |
| Barwell to Targovishte | 1,432.53 mi (2,305.43 km) |
| Barwell to Teteven | 1,353.67 mi (2,178.52 km) |
| Barwell to Troyan | 1,372.97 mi (2,209.58 km) |
| Barwell to Tryavna | 1,404.91 mi (2,260.99 km) |
| Barwell to Tutrakan | 1,401.71 mi (2,255.84 km) |
| Barwell to Varna | 1,488.04 mi (2,394.78 km) |
