| Piraeus to Gaggiano | 911.26 mi (1,466.53 km) |
| Piraeus to Galatina | 331.67 mi (533.77 km) |
| Piraeus to Galatone | 335.94 mi (540.64 km) |
| Piraeus to Galbiate | 910.57 mi (1,465.42 km) |
| Piraeus to Gallarate | 930.37 mi (1,497.29 km) |
| Piraeus to Galliate | 928.08 mi (1,493.61 km) |
| Piraeus to Gallipoli | 336.83 mi (542.08 km) |
| Piraeus to Gambettola | 726.70 mi (1,169.51 km) |
| Piraeus to Gambolo | 913.63 mi (1,470.34 km) |
| Piraeus to Garbagnate Milanese | 915.20 mi (1,472.87 km) |
| Piraeus to Gardone Val Trompia | 873.64 mi (1,405.99 km) |
| Piraeus to Garlasco | 909.48 mi (1,463.66 km) |
| Piraeus to Gassino Torinese | 954.57 mi (1,536.23 km) |
| Piraeus to Gatteo | 723.99 mi (1,165.14 km) |
| Piraeus to Gavardo | 859.68 mi (1,383.53 km) |
