| Shannon to Granadilla de Abona | 1,744.92 mi (2,808.17 km) |
| Shannon to Granollers | 926.92 mi (1,491.74 km) |
| Shannon to Grinon | 895.32 mi (1,440.89 km) |
| Shannon to Guadalajara | 876.63 mi (1,410.79 km) |
| Shannon to Guadarrama | 861.74 mi (1,386.84 km) |
| Shannon to Guadix | 1,100.34 mi (1,770.83 km) |
| Shannon to Guardamar del Segura | 1,084.46 mi (1,745.27 km) |
| Shannon to Guernica y Luno | 709.09 mi (1,141.16 km) |
| Shannon to Guia de Isora | 1,740.82 mi (2,801.58 km) |
| Shannon to Guillena | 1,057.61 mi (1,702.07 km) |
| Shannon to Guimar | 1,729.47 mi (2,783.31 km) |
| Shannon to Hellin | 1,039.30 mi (1,672.59 km) |
| Shannon to Herencia | 958.63 mi (1,542.76 km) |
| Shannon to Hernani | 725.78 mi (1,168.03 km) |
| Shannon to Hoyo de Manzanares | 866.96 mi (1,395.23 km) |
