| Agen to Smolyan | 1,227.70 mi (1,975.79 km) |
| Agen to Sofia | 1,140.10 mi (1,834.82 km) |
| Agen to Sopot | 1,211.13 mi (1,949.12 km) |
| Agen to Sozopol | 1,360.79 mi (2,189.98 km) |
| Agen to Sredets | 1,337.24 mi (2,152.08 km) |
| Agen to Stamboliyski | 1,209.12 mi (1,945.89 km) |
| Agen to Stara Zagora | 1,259.19 mi (2,026.47 km) |
| Agen to Svilengrad | 1,298.42 mi (2,089.61 km) |
| Agen to Svishtov | 1,226.92 mi (1,974.54 km) |
| Agen to Targovishte | 1,292.55 mi (2,080.16 km) |
| Agen to Teteven | 1,183.12 mi (1,904.05 km) |
| Agen to Troyan | 1,205.86 mi (1,940.64 km) |
| Agen to Tryavna | 1,244.79 mi (2,003.30 km) |
| Agen to Tutrakan | 1,283.87 mi (2,066.19 km) |
| Agen to Varna | 1,358.66 mi (2,186.55 km) |
