| Redondela to Smolyan | 1,702.18 mi (2,739.39 km) |
| Redondela to Sofia | 1,618.09 mi (2,604.06 km) |
| Redondela to Sopot | 1,689.68 mi (2,719.28 km) |
| Redondela to Sozopol | 1,840.09 mi (2,961.34 km) |
| Redondela to Sredets | 1,816.12 mi (2,922.76 km) |
| Redondela to Stamboliyski | 1,685.72 mi (2,712.90 km) |
| Redondela to Stara Zagora | 1,737.51 mi (2,796.25 km) |
| Redondela to Svilengrad | 1,774.80 mi (2,856.26 km) |
| Redondela to Svishtov | 1,708.26 mi (2,749.18 km) |
| Redondela to Targovishte | 1,773.45 mi (2,854.10 km) |
| Redondela to Teteven | 1,662.29 mi (2,675.20 km) |
| Redondela to Troyan | 1,685.12 mi (2,711.94 km) |
| Redondela to Tryavna | 1,724.35 mi (2,775.07 km) |
| Redondela to Tutrakan | 1,766.20 mi (2,842.43 km) |
| Redondela to Varna | 1,839.89 mi (2,961.02 km) |
