| Ferentino to Grottaglie | 231.79 mi (373.03 km) |
| Ferentino to Grottammare | 95.59 mi (153.83 km) |
| Ferentino to Grugliasco | 368.41 mi (592.90 km) |
| Ferentino to Grumo Appula | 184.76 mi (297.34 km) |
| Ferentino to Grumo Nevano | 73.96 mi (119.02 km) |
| Ferentino to Gualdo Tadino | 109.70 mi (176.55 km) |
| Ferentino to Guardiagrele | 61.18 mi (98.46 km) |
| Ferentino to Guastalla | 258.39 mi (415.84 km) |
| Ferentino to Gubbio | 120.30 mi (193.60 km) |
| Ferentino to Guspini | 284.03 mi (457.11 km) |
| Ferentino to Gussago | 311.80 mi (501.80 km) |
| Ferentino to Iesi | 127.15 mi (204.63 km) |
| Ferentino to Iesolo | 267.71 mi (430.84 km) |
| Ferentino to Iglesias | 296.83 mi (477.69 km) |
| Ferentino to Imola | 200.10 mi (322.02 km) |
