| Gretna to Gaeta | 5,521.88 mi (8,886.61 km) |
| Gretna to Gaggiano | 5,181.40 mi (8,338.66 km) |
| Gretna to Galatina | 5,763.95 mi (9,276.19 km) |
| Gretna to Galatone | 5,760.22 mi (9,270.18 km) |
| Gretna to Galbiate | 5,183.64 mi (8,342.26 km) |
| Gretna to Gallarate | 5,162.65 mi (8,308.48 km) |
| Gretna to Galliate | 5,164.49 mi (8,311.45 km) |
| Gretna to Gallipoli | 5,760.58 mi (9,270.75 km) |
| Gretna to Gambettola | 5,366.06 mi (8,635.83 km) |
| Gretna to Gambolo | 5,178.75 mi (8,334.39 km) |
| Gretna to Garbagnate Milanese | 5,177.88 mi (8,332.99 km) |
| Gretna to Gardone Val Trompia | 5,221.48 mi (8,403.16 km) |
| Gretna to Garlasco | 5,182.86 mi (8,341.01 km) |
| Gretna to Gassino Torinese | 5,137.88 mi (8,268.62 km) |
| Gretna to Gatteo | 5,368.78 mi (8,640.22 km) |
