| Idanha-a-Nova to Gaeta | 1,092.79 mi (1,758.68 km) |
| Idanha-a-Nova to Gaggiano | 907.23 mi (1,460.04 km) |
| Idanha-a-Nova to Galatina | 1,339.07 mi (2,155.02 km) |
| Idanha-a-Nova to Galatone | 1,333.99 mi (2,146.84 km) |
| Idanha-a-Nova to Galbiate | 932.20 mi (1,500.23 km) |
| Idanha-a-Nova to Gallarate | 902.18 mi (1,451.92 km) |
| Idanha-a-Nova to Galliate | 893.71 mi (1,438.29 km) |
| Idanha-a-Nova to Gallipoli | 1,330.93 mi (2,141.92 km) |
| Idanha-a-Nova to Gambettola | 1,042.63 mi (1,677.96 km) |
| Idanha-a-Nova to Gambolo | 896.14 mi (1,442.21 km) |
| Idanha-a-Nova to Garbagnate Milanese | 913.28 mi (1,469.78 km) |
| Idanha-a-Nova to Gardone Val Trompia | 966.03 mi (1,554.68 km) |
| Idanha-a-Nova to Garlasco | 897.26 mi (1,444.00 km) |
| Idanha-a-Nova to Gassino Torinese | 845.35 mi (1,360.46 km) |
| Idanha-a-Nova to Gatteo | 1,044.89 mi (1,681.60 km) |
