| Agueda to Smolyan | 1,717.22 mi (2,763.59 km) |
| Agueda to Sofia | 1,637.81 mi (2,635.80 km) |
| Agueda to Sopot | 1,709.90 mi (2,751.81 km) |
| Agueda to Sozopol | 1,860.90 mi (2,994.83 km) |
| Agueda to Sredets | 1,836.33 mi (2,955.29 km) |
| Agueda to Stamboliyski | 1,703.31 mi (2,741.21 km) |
| Agueda to Stara Zagora | 1,757.20 mi (2,827.93 km) |
| Agueda to Svilengrad | 1,791.72 mi (2,883.49 km) |
| Agueda to Svishtov | 1,733.40 mi (2,789.64 km) |
| Agueda to Targovishte | 1,797.43 mi (2,892.68 km) |
| Agueda to Teteven | 1,683.56 mi (2,709.42 km) |
| Agueda to Troyan | 1,706.45 mi (2,746.27 km) |
| Agueda to Tryavna | 1,746.00 mi (2,809.92 km) |
| Agueda to Tutrakan | 1,793.87 mi (2,886.95 km) |
| Agueda to Varna | 1,864.37 mi (3,000.41 km) |
