| Cities | Distance |
|---|---|
| Ardahan to Popovo | 855.15 mi (1,376.24 km) |
| Ardahan to Provadia | 794.01 mi (1,277.83 km) |
| Ardahan to Radnevo | 867.47 mi (1,396.05 km) |
| Ardahan to Radomir | 1,019.41 mi (1,640.59 km) |
| Ardahan to Rakitovo | 962.77 mi (1,549.43 km) |
| Ardahan to Rakovski | 916.94 mi (1,475.66 km) |
| Ardahan to Razgrad | 842.17 mi (1,355.35 km) |
| Ardahan to Razlog | 994.78 mi (1,600.94 km) |
| Ardahan to Ruse | 872.31 mi (1,403.85 km) |
| Ardahan to Samokov | 988.89 mi (1,591.47 km) |
| Ardahan to Sandanski | 1,005.79 mi (1,618.67 km) |
| Ardahan to Sevlievo | 910.08 mi (1,464.63 km) |
| Ardahan to Shumen | 819.70 mi (1,319.17 km) |
| Ardahan to Silistra | 810.81 mi (1,304.88 km) |
| Ardahan to Sliven | 847.46 mi (1,363.85 km) |