| Opoczno to Gaeta | 771.06 mi (1,240.90 km) |
| Opoczno to Gaggiano | 659.67 mi (1,061.63 km) |
| Opoczno to Galatina | 781.19 mi (1,257.21 km) |
| Opoczno to Galatone | 782.97 mi (1,260.07 km) |
| Opoczno to Galbiate | 628.84 mi (1,012.02 km) |
| Opoczno to Gallarate | 656.43 mi (1,056.42 km) |
| Opoczno to Galliate | 668.04 mi (1,075.11 km) |
| Opoczno to Gallipoli | 789.94 mi (1,271.28 km) |
| Opoczno to Gambettola | 622.28 mi (1,001.46 km) |
| Opoczno to Gambolo | 672.60 mi (1,082.44 km) |
| Opoczno to Garbagnate Milanese | 649.97 mi (1,046.03 km) |
| Opoczno to Gardone Val Trompia | 606.07 mi (975.38 km) |
| Opoczno to Garlasco | 673.53 mi (1,083.94 km) |
| Opoczno to Gassino Torinese | 716.18 mi (1,152.59 km) |
| Opoczno to Gatteo | 621.88 mi (1,000.81 km) |
