| Gretna to Gavardo | 5,235.49 mi (8,425.71 km) |
| Gretna to Gavirate | 5,153.57 mi (8,293.88 km) |
| Gretna to Gavorrano | 5,344.74 mi (8,601.52 km) |
| Gretna to Gela | 5,703.51 mi (9,178.91 km) |
| Gretna to Gemona del Friuli | 5,325.01 mi (8,569.78 km) |
| Gretna to Genoa | 5,208.88 mi (8,382.88 km) |
| Gretna to Genzano di Roma | 5,465.82 mi (8,796.38 km) |
| Gretna to Gessate | 5,193.82 mi (8,358.65 km) |
| Gretna to Ghedi | 5,234.84 mi (8,424.65 km) |
| Gretna to Giarre | 5,722.17 mi (9,208.95 km) |
| Gretna to Giaveno | 5,119.94 mi (8,239.74 km) |
| Gretna to Giffoni Valle Piana | 5,600.71 mi (9,013.47 km) |
| Gretna to Ginosa | 5,689.06 mi (9,155.65 km) |
| Gretna to Gioia del Colle | 5,685.75 mi (9,150.33 km) |
| Gretna to Gioia Tauro | 5,728.83 mi (9,219.66 km) |
