| Cities | Distance |
|---|---|
| Ferentino to Popovo | 670.44 mi (1,078.97 km) |
| Ferentino to Provadia | 729.76 mi (1,174.44 km) |
| Ferentino to Radnevo | 652.11 mi (1,049.47 km) |
| Ferentino to Radomir | 500.46 mi (805.41 km) |
| Ferentino to Rakitovo | 557.72 mi (897.56 km) |
| Ferentino to Rakovski | 602.65 mi (969.88 km) |
| Ferentino to Razgrad | 685.87 mi (1,103.79 km) |
| Ferentino to Razlog | 526.24 mi (846.91 km) |
| Ferentino to Ruse | 660.54 mi (1,063.03 km) |
| Ferentino to Samokov | 530.66 mi (854.01 km) |
| Ferentino to Sandanski | 517.91 mi (833.49 km) |
| Ferentino to Sevlievo | 612.26 mi (985.33 km) |
| Ferentino to Shumen | 705.11 mi (1,134.76 km) |
| Ferentino to Silistra | 727.81 mi (1,171.30 km) |
| Ferentino to Sliven | 672.71 mi (1,082.62 km) |