| Olbia to Giovinazzo | 373.77 mi (601.53 km) |
| Olbia to Giugliano in Campania | 245.11 mi (394.46 km) |
| Olbia to Giulianova | 261.72 mi (421.20 km) |
| Olbia to Giussano | 330.80 mi (532.37 km) |
| Olbia to Goito | 305.13 mi (491.05 km) |
| Olbia to Gonzaga | 286.51 mi (461.10 km) |
| Olbia to Gorgonzola | 319.02 mi (513.41 km) |
| Olbia to Gorizia | 403.37 mi (649.16 km) |
| Olbia to Gragnano | 262.71 mi (422.78 km) |
| Olbia to Grammichele | 375.83 mi (604.85 km) |
| Olbia to Granarolo del l'Emilia | 269.82 mi (434.23 km) |
| Olbia to Gravina in Puglia | 361.37 mi (581.58 km) |
| Olbia to Grezzana | 326.86 mi (526.03 km) |
| Olbia to Gricignano d'Aversa | 244.41 mi (393.33 km) |
| Olbia to Grosseto | 152.05 mi (244.70 km) |
