| Isernia to Gaeta | 43.91 mi (70.66 km) |
| Isernia to Gaggiano | 370.04 mi (595.52 km) |
| Isernia to Galatina | 227.84 mi (366.67 km) |
| Isernia to Galatone | 223.69 mi (359.99 km) |
| Isernia to Galbiate | 377.93 mi (608.22 km) |
| Isernia to Gallarate | 390.97 mi (629.21 km) |
| Isernia to Galliate | 385.65 mi (620.64 km) |
| Isernia to Gallipoli | 223.36 mi (359.47 km) |
| Isernia to Gambettola | 198.71 mi (319.80 km) |
| Isernia to Gambolo | 369.35 mi (594.42 km) |
| Isernia to Garbagnate Milanese | 376.72 mi (606.28 km) |
| Isernia to Gardone Val Trompia | 347.20 mi (558.77 km) |
| Isernia to Garlasco | 364.78 mi (587.06 km) |
| Isernia to Gassino Torinese | 403.67 mi (649.65 km) |
| Isernia to Gatteo | 196.49 mi (316.21 km) |
