| Groningen to Grottaferrata | 838.71 mi (1,349.77 km) |
| Groningen to Grottaglie | 1,013.02 mi (1,630.29 km) |
| Groningen to Grottammare | 781.80 mi (1,258.19 km) |
| Groningen to Grugliasco | 564.86 mi (909.05 km) |
| Groningen to Grumo Appula | 966.12 mi (1,554.82 km) |
| Groningen to Grumo Nevano | 921.53 mi (1,483.06 km) |
| Groningen to Gualdo Tadino | 746.09 mi (1,200.72 km) |
| Groningen to Guardiagrele | 839.04 mi (1,350.31 km) |
| Groningen to Guastalla | 602.50 mi (969.64 km) |
| Groningen to Gubbio | 734.79 mi (1,182.52 km) |
| Groningen to Guspini | 950.45 mi (1,529.59 km) |
| Groningen to Gussago | 550.19 mi (885.44 km) |
| Groningen to Iesi | 735.66 mi (1,183.94 km) |
| Groningen to Iesolo | 596.65 mi (960.22 km) |
| Groningen to Iglesias | 964.88 mi (1,552.83 km) |
