| Harrow to Gavardo | 642.77 mi (1,034.43 km) |
| Harrow to Gavirate | 571.61 mi (919.91 km) |
| Harrow to Gavorrano | 796.05 mi (1,281.12 km) |
| Harrow to Gela | 1,230.61 mi (1,980.48 km) |
| Harrow to Gemona del Friuli | 711.45 mi (1,144.97 km) |
| Harrow to Genoa | 654.45 mi (1,053.23 km) |
| Harrow to Genzano di Roma | 918.51 mi (1,478.20 km) |
| Harrow to Gessate | 610.38 mi (982.31 km) |
| Harrow to Ghedi | 646.29 mi (1,040.11 km) |
| Harrow to Giarre | 1,218.75 mi (1,961.39 km) |
| Harrow to Giaveno | 573.30 mi (922.64 km) |
| Harrow to Giffoni Valle Piana | 1,044.12 mi (1,680.34 km) |
| Harrow to Ginosa | 1,116.82 mi (1,797.35 km) |
| Harrow to Gioia del Colle | 1,107.66 mi (1,782.60 km) |
| Harrow to Gioia Tauro | 1,200.91 mi (1,932.67 km) |
