| Opoczno to Giovinazzo | 725.00 mi (1,166.77 km) |
| Opoczno to Giugliano in Campania | 777.69 mi (1,251.57 km) |
| Opoczno to Giulianova | 665.93 mi (1,071.71 km) |
| Opoczno to Giussano | 639.44 mi (1,029.07 km) |
| Opoczno to Goito | 611.14 mi (983.53 km) |
| Opoczno to Gonzaga | 621.69 mi (1,000.51 km) |
| Opoczno to Gorgonzola | 640.66 mi (1,031.04 km) |
| Opoczno to Gorizia | 483.49 mi (778.11 km) |
| Opoczno to Gragnano | 787.61 mi (1,267.54 km) |
| Opoczno to Grammichele | 1,016.88 mi (1,636.51 km) |
| Opoczno to Granarolo del l'Emilia | 623.34 mi (1,003.17 km) |
| Opoczno to Gravina in Puglia | 752.57 mi (1,211.15 km) |
| Opoczno to Grezzana | 586.08 mi (943.20 km) |
| Opoczno to Gricignano d'Aversa | 773.49 mi (1,244.80 km) |
| Opoczno to Grosseto | 734.20 mi (1,181.58 km) |
