| Greenock to Fuente-Alamo de Murcia | 1,269.11 mi (2,042.44 km) |
| Greenock to Galapagar | 1,062.78 mi (1,710.37 km) |
| Greenock to Galdacano | 882.93 mi (1,420.94 km) |
| Greenock to Gandia | 1,192.14 mi (1,918.57 km) |
| Greenock to Garrucha | 1,303.81 mi (2,098.29 km) |
| Greenock to Gava | 1,056.66 mi (1,700.52 km) |
| Greenock to Gelves | 1,287.61 mi (2,072.20 km) |
| Greenock to Getafe | 1,082.01 mi (1,741.32 km) |
| Greenock to Gibraleon | 1,287.47 mi (2,071.99 km) |
| Greenock to Gijon | 858.91 mi (1,382.27 km) |
| Greenock to Gines | 1,284.00 mi (2,066.39 km) |
| Greenock to Girona | 1,022.98 mi (1,646.33 km) |
| Greenock to Godella | 1,152.52 mi (1,854.80 km) |
| Greenock to Gondomar | 972.75 mi (1,565.49 km) |
| Greenock to Grado | 869.87 mi (1,399.92 km) |
