| Grantham to Giovinazzo | 1,143.66 mi (1,840.54 km) |
| Grantham to Giugliano in Campania | 1,080.00 mi (1,738.09 km) |
| Grantham to Giulianova | 971.80 mi (1,563.96 km) |
| Grantham to Giussano | 666.48 mi (1,072.59 km) |
| Grantham to Goito | 734.82 mi (1,182.58 km) |
| Grantham to Gonzaga | 755.47 mi (1,215.81 km) |
| Grantham to Gorgonzola | 681.01 mi (1,095.97 km) |
| Grantham to Gorizia | 799.67 mi (1,286.95 km) |
| Grantham to Gragnano | 1,102.96 mi (1,775.04 km) |
| Grantham to Grammichele | 1,310.40 mi (2,108.88 km) |
| Grantham to Granarolo del l'Emilia | 796.52 mi (1,281.88 km) |
| Grantham to Gravina in Puglia | 1,155.38 mi (1,859.41 km) |
| Grantham to Grezzana | 731.91 mi (1,177.89 km) |
| Grantham to Gricignano d'Aversa | 1,075.78 mi (1,731.30 km) |
| Grantham to Grosseto | 885.47 mi (1,425.02 km) |
