| Civitavecchia to Granadilla de Abona | 1,859.49 mi (2,992.56 km) |
| Civitavecchia to Granollers | 490.40 mi (789.22 km) |
| Civitavecchia to Grinon | 823.24 mi (1,324.88 km) |
| Civitavecchia to Guadalajara | 781.68 mi (1,257.99 km) |
| Civitavecchia to Guadarrama | 828.32 mi (1,333.05 km) |
| Civitavecchia to Guadix | 858.84 mi (1,382.17 km) |
| Civitavecchia to Guardamar del Segura | 713.36 mi (1,148.04 km) |
| Civitavecchia to Guernica y Luno | 738.34 mi (1,188.24 km) |
| Civitavecchia to Guia de Isora | 1,864.69 mi (3,000.94 km) |
| Civitavecchia to Guillena | 996.24 mi (1,603.29 km) |
| Civitavecchia to Guimar | 1,842.69 mi (2,965.52 km) |
| Civitavecchia to Hellin | 751.33 mi (1,209.15 km) |
| Civitavecchia to Herencia | 814.41 mi (1,310.67 km) |
| Civitavecchia to Hernani | 703.05 mi (1,131.44 km) |
| Civitavecchia to Hoyo de Manzanares | 818.36 mi (1,317.02 km) |
