| Agen to Devnya | 1,341.44 mi (2,158.84 km) |
| Agen to Dimitrovgrad | 1,263.43 mi (2,033.29 km) |
| Agen to Dobrich | 1,349.59 mi (2,171.96 km) |
| Agen to Dospat | 1,199.98 mi (1,931.18 km) |
| Agen to Dupnitsa | 1,136.76 mi (1,829.44 km) |
| Agen to Elhovo | 1,309.16 mi (2,106.89 km) |
| Agen to Etropole | 1,171.19 mi (1,884.85 km) |
| Agen to Gabrovo | 1,236.56 mi (1,990.06 km) |
| Agen to Gorna Oryahovitsa | 1,250.70 mi (2,012.80 km) |
| Agen to Gotse Delchev | 1,180.15 mi (1,899.27 km) |
| Agen to Harmanli | 1,280.42 mi (2,060.64 km) |
| Agen to Haskovo | 1,263.92 mi (2,034.09 km) |
| Agen to Ihtiman | 1,168.40 mi (1,880.36 km) |
| Agen to Isperih | 1,298.54 mi (2,089.79 km) |
| Agen to Kardzhali | 1,259.41 mi (2,026.83 km) |
