| Grefrath to Giugliano in Campania | 810.22 mi (1,303.92 km) |
| Grefrath to Giulianova | 692.20 mi (1,113.98 km) |
| Grefrath to Giussano | 410.99 mi (661.42 km) |
| Grefrath to Goito | 464.97 mi (748.29 km) |
| Grefrath to Gonzaga | 486.89 mi (783.58 km) |
| Grefrath to Gorgonzola | 424.67 mi (683.44 km) |
| Grefrath to Gorizia | 499.25 mi (803.47 km) |
| Grefrath to Gragnano | 832.08 mi (1,339.10 km) |
| Grefrath to Grammichele | 1,056.87 mi (1,700.87 km) |
| Grefrath to Granarolo del l'Emilia | 524.83 mi (844.63 km) |
| Grefrath to Gravina in Puglia | 870.88 mi (1,401.54 km) |
| Grefrath to Grezzana | 455.45 mi (732.98 km) |
| Grefrath to Gricignano d'Aversa | 805.68 mi (1,296.61 km) |
| Grefrath to Grosseto | 632.73 mi (1,018.28 km) |
| Grefrath to Grottaferrata | 724.36 mi (1,165.75 km) |
