| Gourock to Fuente-Alamo de Murcia | 1,269.69 mi (2,043.37 km) |
| Gourock to Galapagar | 1,063.12 mi (1,710.92 km) |
| Gourock to Galdacano | 883.42 mi (1,421.72 km) |
| Gourock to Gandia | 1,192.82 mi (1,919.67 km) |
| Gourock to Garrucha | 1,304.33 mi (2,099.12 km) |
| Gourock to Gava | 1,057.58 mi (1,702.02 km) |
| Gourock to Gelves | 1,287.76 mi (2,072.45 km) |
| Gourock to Getafe | 1,082.37 mi (1,741.91 km) |
| Gourock to Gibraleon | 1,287.54 mi (2,072.10 km) |
| Gourock to Gijon | 859.06 mi (1,382.52 km) |
| Gourock to Gines | 1,284.15 mi (2,066.63 km) |
| Gourock to Girona | 1,024.00 mi (1,647.97 km) |
| Gourock to Godella | 1,153.19 mi (1,855.88 km) |
| Gourock to Gondomar | 972.58 mi (1,565.21 km) |
| Gourock to Grado | 869.98 mi (1,400.10 km) |
