| Grevena to Giugliano in Campania | 384.27 mi (618.43 km) |
| Grevena to Giulianova | 428.75 mi (690.01 km) |
| Grevena to Giussano | 728.56 mi (1,172.51 km) |
| Grevena to Goito | 652.00 mi (1,049.30 km) |
| Grevena to Gonzaga | 635.60 mi (1,022.91 km) |
| Grevena to Gorgonzola | 715.37 mi (1,151.28 km) |
| Grevena to Gorizia | 564.28 mi (908.12 km) |
| Grevena to Gragnano | 366.09 mi (589.16 km) |
| Grevena to Grammichele | 416.50 mi (670.29 km) |
| Grevena to Granarolo del l'Emilia | 595.19 mi (957.87 km) |
| Grevena to Gravina in Puglia | 268.22 mi (431.66 km) |
| Grevena to Grezzana | 646.76 mi (1,040.85 km) |
| Grevena to Gricignano d'Aversa | 385.46 mi (620.34 km) |
| Grevena to Grosseto | 565.76 mi (910.50 km) |
| Grevena to Grottaferrata | 471.68 mi (759.10 km) |
