| Hounslow to Gavardo | 639.07 mi (1,028.49 km) |
| Hounslow to Gavirate | 567.37 mi (913.09 km) |
| Hounslow to Gavorrano | 791.32 mi (1,273.51 km) |
| Hounslow to Gela | 1,225.36 mi (1,972.02 km) |
| Hounslow to Gemona del Friuli | 709.10 mi (1,141.19 km) |
| Hounslow to Genoa | 649.58 mi (1,045.39 km) |
| Hounslow to Genzano di Roma | 913.95 mi (1,470.85 km) |
| Hounslow to Gessate | 606.27 mi (975.70 km) |
| Hounslow to Ghedi | 642.44 mi (1,033.90 km) |
| Hounslow to Giarre | 1,213.86 mi (1,953.51 km) |
| Hounslow to Giaveno | 568.05 mi (914.19 km) |
| Hounslow to Giffoni Valle Piana | 1,039.90 mi (1,673.55 km) |
| Hounslow to Ginosa | 1,113.02 mi (1,791.24 km) |
| Hounslow to Gioia del Colle | 1,104.00 mi (1,776.71 km) |
| Hounslow to Gioia Tauro | 1,196.34 mi (1,925.33 km) |