| Gourock to Gavardo | 974.25 mi (1,567.90 km) |
| Gourock to Gavirate | 910.58 mi (1,465.43 km) |
| Gourock to Gavorrano | 1,138.79 mi (1,832.71 km) |
| Gourock to Gela | 1,577.52 mi (2,538.77 km) |
| Gourock to Gemona del Friuli | 1,020.52 mi (1,642.37 km) |
| Gourock to Genoa | 999.21 mi (1,608.07 km) |
| Gourock to Genzano di Roma | 1,258.97 mi (2,026.11 km) |
| Gourock to Gessate | 947.48 mi (1,524.82 km) |
| Gourock to Ghedi | 979.89 mi (1,576.99 km) |
| Gourock to Giarre | 1,562.07 mi (2,513.90 km) |
| Gourock to Giaveno | 921.49 mi (1,483.00 km) |
| Gourock to Giffoni Valle Piana | 1,379.66 mi (2,220.34 km) |
| Gourock to Ginosa | 1,445.88 mi (2,326.92 km) |
| Gourock to Gioia del Colle | 1,434.59 mi (2,308.74 km) |
| Gourock to Gioia Tauro | 1,540.35 mi (2,478.95 km) |
