| Guadarrama to Gaeta | 920.61 mi (1,481.58 km) |
| Guadarrama to Gaggiano | 737.79 mi (1,187.36 km) |
| Guadarrama to Galatina | 1,168.08 mi (1,879.84 km) |
| Guadarrama to Galatone | 1,163.04 mi (1,871.73 km) |
| Guadarrama to Galbiate | 763.72 mi (1,229.08 km) |
| Guadarrama to Gallarate | 733.80 mi (1,180.94 km) |
| Guadarrama to Galliate | 724.81 mi (1,166.47 km) |
| Guadarrama to Gallipoli | 1,160.16 mi (1,867.10 km) |
| Guadarrama to Gambettola | 869.41 mi (1,399.19 km) |
| Guadarrama to Gambolo | 726.40 mi (1,169.02 km) |
| Guadarrama to Garbagnate Milanese | 744.34 mi (1,197.90 km) |
| Guadarrama to Gardone Val Trompia | 796.56 mi (1,281.94 km) |
| Guadarrama to Garlasco | 727.30 mi (1,170.48 km) |
| Guadarrama to Gassino Torinese | 676.06 mi (1,088.02 km) |
| Guadarrama to Gatteo | 871.65 mi (1,402.79 km) |
