| Nettuno to Giovinazzo | 208.45 mi (335.47 km) |
| Nettuno to Giugliano in Campania | 87.65 mi (141.06 km) |
| Nettuno to Giulianova | 110.40 mi (177.67 km) |
| Nettuno to Giussano | 339.58 mi (546.50 km) |
| Nettuno to Goito | 280.02 mi (450.65 km) |
| Nettuno to Gonzaga | 258.06 mi (415.30 km) |
| Nettuno to Gorgonzola | 325.13 mi (523.24 km) |
| Nettuno to Gorizia | 312.23 mi (502.49 km) |
| Nettuno to Gragnano | 110.03 mi (177.08 km) |
| Nettuno to Grammichele | 312.04 mi (502.19 km) |
| Nettuno to Granarolo del l'Emilia | 221.72 mi (356.82 km) |
| Nettuno to Gravina in Puglia | 200.21 mi (322.20 km) |
| Nettuno to Grezzana | 291.78 mi (469.57 km) |
| Nettuno to Gricignano d'Aversa | 85.14 mi (137.03 km) |
| Nettuno to Grosseto | 120.48 mi (193.89 km) |
