| Opfikon to Giovinazzo | 588.32 mi (946.81 km) |
| Opfikon to Giugliano in Campania | 528.41 mi (850.40 km) |
| Opfikon to Giulianova | 416.51 mi (670.31 km) |
| Opfikon to Giussano | 123.67 mi (199.03 km) |
| Opfikon to Goito | 181.06 mi (291.39 km) |
| Opfikon to Gonzaga | 202.52 mi (325.92 km) |
| Opfikon to Gorgonzola | 137.13 mi (220.69 km) |
| Opfikon to Gorizia | 260.78 mi (419.68 km) |
| Opfikon to Gragnano | 550.92 mi (886.62 km) |
| Opfikon to Grammichele | 770.52 mi (1,240.03 km) |
| Opfikon to Granarolo del l'Emilia | 242.54 mi (390.33 km) |
| Opfikon to Gravina in Puglia | 599.85 mi (965.36 km) |
| Opfikon to Grezzana | 176.41 mi (283.90 km) |
| Opfikon to Gricignano d'Aversa | 524.02 mi (843.32 km) |
| Opfikon to Grosseto | 345.24 mi (555.61 km) |
