| Aguilar to Smolyan | 1,580.78 mi (2,544.01 km) |
| Aguilar to Sofia | 1,513.80 mi (2,436.22 km) |
| Aguilar to Sopot | 1,585.57 mi (2,551.73 km) |
| Aguilar to Sozopol | 1,735.24 mi (2,792.59 km) |
| Aguilar to Sredets | 1,709.69 mi (2,751.47 km) |
| Aguilar to Stamboliyski | 1,573.00 mi (2,531.50 km) |
| Aguilar to Stara Zagora | 1,630.72 mi (2,624.40 km) |
| Aguilar to Svilengrad | 1,658.23 mi (2,668.67 km) |
| Aguilar to Svishtov | 1,620.27 mi (2,607.57 km) |
| Aguilar to Targovishte | 1,680.31 mi (2,704.20 km) |
| Aguilar to Teteven | 1,562.23 mi (2,514.17 km) |
| Aguilar to Troyan | 1,584.80 mi (2,550.50 km) |
| Aguilar to Tryavna | 1,624.34 mi (2,614.12 km) |
| Aguilar to Tutrakan | 1,685.65 mi (2,712.79 km) |
| Aguilar to Varna | 1,747.27 mi (2,811.97 km) |
