| Idanha-a-Nova to Giovinazzo | 1,253.84 mi (2,017.86 km) |
| Idanha-a-Nova to Giugliano in Campania | 1,126.48 mi (1,812.89 km) |
| Idanha-a-Nova to Giulianova | 1,113.23 mi (1,791.57 km) |
| Idanha-a-Nova to Giussano | 922.29 mi (1,484.29 km) |
| Idanha-a-Nova to Goito | 979.70 mi (1,576.68 km) |
| Idanha-a-Nova to Gonzaga | 981.37 mi (1,579.36 km) |
| Idanha-a-Nova to Gorgonzola | 926.84 mi (1,491.60 km) |
| Idanha-a-Nova to Gorizia | 1,129.67 mi (1,818.03 km) |
| Idanha-a-Nova to Gragnano | 1,144.29 mi (1,841.55 km) |
| Idanha-a-Nova to Grammichele | 1,193.05 mi (1,920.03 km) |
| Idanha-a-Nova to Granarolo del l'Emilia | 1,005.30 mi (1,617.87 km) |
| Idanha-a-Nova to Gravina in Puglia | 1,242.79 mi (2,000.07 km) |
| Idanha-a-Nova to Grezzana | 1,001.11 mi (1,611.13 km) |
| Idanha-a-Nova to Gricignano d'Aversa | 1,125.56 mi (1,811.42 km) |
| Idanha-a-Nova to Grosseto | 969.13 mi (1,559.67 km) |
