| Viterbo to Giovinazzo | 249.98 mi (402.30 km) |
| Viterbo to Giugliano in Campania | 148.99 mi (239.78 km) |
| Viterbo to Giulianova | 96.65 mi (155.54 km) |
| Viterbo to Giussano | 268.21 mi (431.64 km) |
| Viterbo to Goito | 208.33 mi (335.27 km) |
| Viterbo to Gonzaga | 186.35 mi (299.90 km) |
| Viterbo to Gorgonzola | 253.72 mi (408.32 km) |
| Viterbo to Gorizia | 254.13 mi (408.99 km) |
| Viterbo to Gragnano | 172.36 mi (277.38 km) |
| Viterbo to Grammichele | 383.80 mi (617.66 km) |
| Viterbo to Granarolo del l'Emilia | 150.87 mi (242.80 km) |
| Viterbo to Gravina in Puglia | 248.70 mi (400.24 km) |
| Viterbo to Grezzana | 220.78 mi (355.31 km) |
| Viterbo to Gricignano d'Aversa | 145.28 mi (233.80 km) |
| Viterbo to Grosseto | 56.46 mi (90.86 km) |
