| Castellammare del Golfo to Giugliano in Campania | 212.64 mi (342.21 km) |
| Castellammare del Golfo to Giulianova | 331.18 mi (532.98 km) |
| Castellammare del Golfo to Giussano | 562.55 mi (905.34 km) |
| Castellammare del Golfo to Goito | 511.97 mi (823.94 km) |
| Castellammare del Golfo to Gonzaga | 490.11 mi (788.75 km) |
| Castellammare del Golfo to Gorgonzola | 548.66 mi (882.98 km) |
| Castellammare del Golfo to Gorizia | 547.61 mi (881.30 km) |
| Castellammare del Golfo to Gragnano | 204.05 mi (328.39 km) |
| Castellammare del Golfo to Grammichele | 111.26 mi (179.05 km) |
| Castellammare del Golfo to Granarolo del l'Emilia | 456.79 mi (735.14 km) |
| Castellammare del Golfo to Gravina in Puglia | 269.75 mi (434.12 km) |
| Castellammare del Golfo to Grezzana | 526.32 mi (847.04 km) |
| Castellammare del Golfo to Gricignano d'Aversa | 216.87 mi (349.01 km) |
| Castellammare del Golfo to Grosseto | 340.64 mi (548.20 km) |
| Castellammare del Golfo to Grottaferrata | 260.16 mi (418.68 km) |
