| Bryn to Smolyan | 1,504.04 mi (2,420.52 km) |
| Bryn to Sofia | 1,400.28 mi (2,253.54 km) |
| Bryn to Sopot | 1,457.13 mi (2,345.03 km) |
| Bryn to Sozopol | 1,582.67 mi (2,547.07 km) |
| Bryn to Sredets | 1,565.95 mi (2,520.15 km) |
| Bryn to Stamboliyski | 1,472.22 mi (2,369.31 km) |
| Bryn to Stara Zagora | 1,501.72 mi (2,416.79 km) |
| Bryn to Svilengrad | 1,553.18 mi (2,499.60 km) |
| Bryn to Svishtov | 1,438.21 mi (2,314.58 km) |
| Bryn to Targovishte | 1,502.49 mi (2,418.02 km) |
| Bryn to Teteven | 1,426.52 mi (2,295.77 km) |
| Bryn to Troyan | 1,445.43 mi (2,326.20 km) |
| Bryn to Tryavna | 1,476.62 mi (2,376.39 km) |
| Bryn to Tutrakan | 1,470.13 mi (2,365.95 km) |
| Bryn to Varna | 1,556.73 mi (2,505.32 km) |
