| Piraeus to Granadilla de Abona | 2,406.87 mi (3,873.48 km) |
| Piraeus to Granollers | 1,158.86 mi (1,865.00 km) |
| Piraeus to Grinon | 1,477.19 mi (2,377.30 km) |
| Piraeus to Guadalajara | 1,440.26 mi (2,317.88 km) |
| Piraeus to Guadarrama | 1,488.48 mi (2,395.47 km) |
| Piraeus to Guadix | 1,461.19 mi (2,351.57 km) |
| Piraeus to Guardamar del Segura | 1,319.09 mi (2,122.87 km) |
| Piraeus to Guernica y Luno | 1,422.30 mi (2,288.97 km) |
| Piraeus to Guia de Isora | 2,414.53 mi (3,885.81 km) |
| Piraeus to Guillena | 1,615.97 mi (2,600.65 km) |
| Piraeus to Guimar | 2,391.28 mi (3,848.39 km) |
| Piraeus to Hellin | 1,371.02 mi (2,206.45 km) |
| Piraeus to Herencia | 1,454.82 mi (2,341.31 km) |
| Piraeus to Hernani | 1,386.93 mi (2,232.04 km) |
| Piraeus to Hoyo de Manzanares | 1,477.79 mi (2,378.27 km) |
