| Reddish to Smolyan | 1,483.59 mi (2,387.61 km) |
| Reddish to Sofia | 1,379.80 mi (2,220.58 km) |
| Reddish to Sopot | 1,436.54 mi (2,311.89 km) |
| Reddish to Sozopol | 1,561.94 mi (2,513.70 km) |
| Reddish to Sredets | 1,545.25 mi (2,486.83 km) |
| Reddish to Stamboliyski | 1,451.71 mi (2,336.30 km) |
| Reddish to Stara Zagora | 1,481.09 mi (2,383.59 km) |
| Reddish to Svilengrad | 1,532.58 mi (2,466.45 km) |
| Reddish to Svishtov | 1,417.49 mi (2,281.23 km) |
| Reddish to Targovishte | 1,481.74 mi (2,384.64 km) |
| Reddish to Teteven | 1,405.94 mi (2,262.64 km) |
| Reddish to Troyan | 1,424.82 mi (2,293.02 km) |
| Reddish to Tryavna | 1,455.96 mi (2,343.15 km) |
| Reddish to Tutrakan | 1,449.34 mi (2,332.50 km) |
| Reddish to Varna | 1,535.95 mi (2,471.87 km) |
