| Harwich to Fuente-Alamo de Murcia | 987.95 mi (1,589.94 km) |
| Harwich to Galapagar | 823.55 mi (1,325.37 km) |
| Harwich to Galdacano | 630.88 mi (1,015.30 km) |
| Harwich to Gandia | 898.66 mi (1,446.25 km) |
| Harwich to Garrucha | 1,030.14 mi (1,657.85 km) |
| Harwich to Gava | 735.06 mi (1,182.97 km) |
| Harwich to Gelves | 1,069.16 mi (1,720.64 km) |
| Harwich to Getafe | 837.88 mi (1,348.44 km) |
| Harwich to Gibraleon | 1,082.62 mi (1,742.31 km) |
| Harwich to Gijon | 663.89 mi (1,068.43 km) |
| Harwich to Gines | 1,066.57 mi (1,716.48 km) |
| Harwich to Girona | 691.36 mi (1,112.64 km) |
| Harwich to Godella | 861.47 mi (1,386.40 km) |
| Harwich to Gondomar | 825.19 mi (1,328.02 km) |
| Harwich to Grado | 681.34 mi (1,096.50 km) |
