| Viterbo to Gaeta | 112.10 mi (180.41 km) |
| Viterbo to Gaggiano | 256.69 mi (413.10 km) |
| Viterbo to Galatina | 350.97 mi (564.82 km) |
| Viterbo to Galatone | 346.88 mi (558.25 km) |
| Viterbo to Galbiate | 269.78 mi (434.17 km) |
| Viterbo to Gallarate | 278.12 mi (447.59 km) |
| Viterbo to Galliate | 271.08 mi (436.25 km) |
| Viterbo to Gallipoli | 346.63 mi (557.84 km) |
| Viterbo to Gambettola | 117.89 mi (189.73 km) |
| Viterbo to Gambolo | 254.06 mi (408.87 km) |
| Viterbo to Garbagnate Milanese | 264.90 mi (426.32 km) |
| Viterbo to Gardone Val Trompia | 244.89 mi (394.11 km) |
| Viterbo to Garlasco | 249.34 mi (401.27 km) |
| Viterbo to Gassino Torinese | 283.84 mi (456.79 km) |
| Viterbo to Gatteo | 117.02 mi (188.32 km) |
