| Ferentino to Amelia | 73.55 mi (118.37 km) |
| Ferentino to Anagni | 6.24 mi (10.04 km) |
| Ferentino to Ancona | 134.28 mi (216.11 km) |
| Ferentino to Andria | 161.20 mi (259.43 km) |
| Ferentino to Angri | 94.83 mi (152.61 km) |
| Ferentino to Anguillara Sabazia | 57.64 mi (92.76 km) |
| Ferentino to Anzio | 36.04 mi (58.00 km) |
| Ferentino to Anzola dell'Emilia | 223.34 mi (359.44 km) |
| Ferentino to Aosta | 407.37 mi (655.59 km) |
| Ferentino to Apricena | 112.73 mi (181.42 km) |
| Ferentino to Aprilia | 31.75 mi (51.09 km) |
| Ferentino to Aradeo | 276.52 mi (445.01 km) |
| Ferentino to Aragona | 296.47 mi (477.11 km) |
| Ferentino to Arco | 315.37 mi (507.55 km) |
| Ferentino to Arcola | 238.74 mi (384.22 km) |
