| Opava to Giugliano in Campania | 647.51 mi (1,042.07 km) |
| Opava to Giulianova | 531.06 mi (854.66 km) |
| Opava to Giussano | 497.68 mi (800.94 km) |
| Opava to Goito | 467.20 mi (751.89 km) |
| Opava to Gonzaga | 477.58 mi (768.59 km) |
| Opava to Gorgonzola | 498.28 mi (801.91 km) |
| Opava to Gorizia | 340.40 mi (547.82 km) |
| Opava to Gragnano | 659.29 mi (1,061.02 km) |
| Opava to Grammichele | 893.96 mi (1,438.69 km) |
| Opava to Granarolo del l'Emilia | 479.47 mi (771.64 km) |
| Opava to Gravina in Puglia | 634.31 mi (1,020.83 km) |
| Opava to Grezzana | 442.15 mi (711.57 km) |
| Opava to Gricignano d'Aversa | 643.13 mi (1,035.02 km) |
| Opava to Grosseto | 591.74 mi (952.32 km) |
| Opava to Grottaferrata | 616.44 mi (992.06 km) |
