| Castricum to Galapagar | 922.57 mi (1,484.74 km) |
| Castricum to Galdacano | 731.04 mi (1,176.49 km) |
| Castricum to Gandia | 966.64 mi (1,555.65 km) |
| Castricum to Garrucha | 1,107.08 mi (1,781.67 km) |
| Castricum to Gava | 786.75 mi (1,266.16 km) |
| Castricum to Gelves | 1,171.13 mi (1,884.75 km) |
| Castricum to Getafe | 934.34 mi (1,503.68 km) |
| Castricum to Gibraleon | 1,189.44 mi (1,914.21 km) |
| Castricum to Gijon | 784.14 mi (1,261.95 km) |
| Castricum to Gines | 1,168.99 mi (1,881.31 km) |
| Castricum to Girona | 735.16 mi (1,183.12 km) |
| Castricum to Godella | 932.06 mi (1,500.01 km) |
| Castricum to Gondomar | 953.77 mi (1,534.94 km) |
| Castricum to Grado | 802.94 mi (1,292.20 km) |
| Castricum to Granada | 1,134.86 mi (1,826.38 km) |
