| Castel San Giorgio to Giugliano in Campania | 28.29 mi (45.52 km) |
| Castel San Giorgio to Giulianova | 141.27 mi (227.36 km) |
| Castel San Giorgio to Giussano | 437.46 mi (704.03 km) |
| Castel San Giorgio to Goito | 369.70 mi (594.97 km) |
| Castel San Giorgio to Gonzaga | 348.55 mi (560.94 km) |
| Castel San Giorgio to Gorgonzola | 422.96 mi (680.69 km) |
| Castel San Giorgio to Gorizia | 359.96 mi (579.30 km) |
| Castel San Giorgio to Gragnano | 11.40 mi (18.35 km) |
| Castel San Giorgio to Grammichele | 246.59 mi (396.85 km) |
| Castel San Giorgio to Granarolo del l'Emilia | 308.15 mi (495.92 km) |
| Castel San Giorgio to Gravina in Puglia | 89.82 mi (144.55 km) |
| Castel San Giorgio to Grezzana | 375.97 mi (605.07 km) |
| Castel San Giorgio to Gricignano d'Aversa | 30.86 mi (49.67 km) |
| Castel San Giorgio to Grosseto | 230.59 mi (371.10 km) |
| Castel San Giorgio to Grottaferrata | 126.13 mi (202.99 km) |
