| Castel Gandolfo to Gaggiano | 310.82 mi (500.21 km) |
| Castel Gandolfo to Galatina | 307.70 mi (495.20 km) |
| Castel Gandolfo to Galatone | 303.28 mi (488.09 km) |
| Castel Gandolfo to Galbiate | 323.99 mi (521.42 km) |
| Castel Gandolfo to Gallarate | 332.27 mi (534.73 km) |
| Castel Gandolfo to Galliate | 325.06 mi (523.14 km) |
| Castel Gandolfo to Gallipoli | 302.29 mi (486.48 km) |
| Castel Gandolfo to Gambettola | 164.53 mi (264.78 km) |
| Castel Gandolfo to Gambolo | 307.97 mi (495.64 km) |
| Castel Gandolfo to Garbagnate Milanese | 319.12 mi (513.57 km) |
| Castel Gandolfo to Gardone Val Trompia | 298.58 mi (480.51 km) |
| Castel Gandolfo to Garlasco | 303.24 mi (488.02 km) |
| Castel Gandolfo to Gassino Torinese | 336.33 mi (541.27 km) |
| Castel Gandolfo to Gatteo | 163.15 mi (262.56 km) |
| Castel Gandolfo to Gavardo | 287.46 mi (462.62 km) |
