| Cities | Distance |
|---|---|
| Greenock to Glen Parva | 274.03 mi (441.01 km) |
| Greenock to Glenfield | 269.37 mi (433.51 km) |
| Greenock to Glenrothes | 63.55 mi (102.27 km) |
| Greenock to Glossop | 206.47 mi (332.29 km) |
| Greenock to Gloucester | 300.30 mi (483.29 km) |
| Greenock to Godalming | 370.91 mi (596.92 km) |
| Greenock to Golborne | 191.63 mi (308.40 km) |
| Greenock to Goodmayes | 362.55 mi (583.46 km) |
| Greenock to Goole | 219.55 mi (353.33 km) |
| Greenock to Gorleston-on-Sea | 350.33 mi (563.81 km) |
| Greenock to Gornalwood | 259.64 mi (417.86 km) |
| Greenock to Gosforth | 139.20 mi (224.02 km) |
| Greenock to Gosport | 386.38 mi (621.82 km) |
| Greenock to Gourock | 2.04 mi (3.28 km) |
| Greenock to Grangemouth | 40.74 mi (65.56 km) |