| Opera to Giovinazzo | 473.61 mi (762.20 km) |
| Opera to Giugliano in Campania | 396.78 mi (638.56 km) |
| Opera to Giulianova | 297.10 mi (478.14 km) |
| Opera to Giussano | 21.88 mi (35.22 km) |
| Opera to Goito | 71.05 mi (114.34 km) |
| Opera to Gonzaga | 83.49 mi (134.37 km) |
| Opera to Gorgonzola | 13.65 mi (21.97 km) |
| Opera to Gorizia | 215.83 mi (347.34 km) |
| Opera to Gragnano | 419.92 mi (675.79 km) |
| Opera to Grammichele | 630.25 mi (1,014.29 km) |
| Opera to Granarolo del l'Emilia | 123.42 mi (198.62 km) |
| Opera to Gravina in Puglia | 480.79 mi (773.76 km) |
| Opera to Grezzana | 87.73 mi (141.19 km) |
| Opera to Gricignano d'Aversa | 392.66 mi (631.93 km) |
| Opera to Grosseto | 203.51 mi (327.52 km) |
