| Agen to Popovo | 1,273.91 mi (2,050.16 km) |
| Agen to Provadia | 1,335.36 mi (2,149.06 km) |
| Agen to Radnevo | 1,275.48 mi (2,052.69 km) |
| Agen to Radomir | 1,123.67 mi (1,808.38 km) |
| Agen to Rakitovo | 1,189.55 mi (1,914.39 km) |
| Agen to Rakovski | 1,227.80 mi (1,975.95 km) |
| Agen to Razgrad | 1,285.37 mi (2,068.60 km) |
| Agen to Razlog | 1,160.85 mi (1,868.21 km) |
| Agen to Ruse | 1,254.05 mi (2,018.20 km) |
| Agen to Samokov | 1,157.16 mi (1,862.27 km) |
| Agen to Sandanski | 1,157.79 mi (1,863.28 km) |
| Agen to Sevlievo | 1,223.32 mi (1,968.75 km) |
| Agen to Shumen | 1,309.30 mi (2,107.12 km) |
| Agen to Silistra | 1,314.60 mi (2,115.65 km) |
| Agen to Sliven | 1,288.83 mi (2,074.18 km) |
