| Isernia to Grabels | 548.73 mi (883.09 km) |
| Isernia to Gradignan | 778.47 mi (1,252.83 km) |
| Isernia to Grand-Couronne | 833.38 mi (1,341.19 km) |
| Isernia to Grande-Synthe | 862.36 mi (1,387.83 km) |
| Isernia to Granville | 915.48 mi (1,473.32 km) |
| Isernia to Grasse | 398.44 mi (641.23 km) |
| Isernia to Graulhet | 639.22 mi (1,028.73 km) |
| Isernia to Gravelines | 866.52 mi (1,394.52 km) |
| Isernia to Grenade | 673.63 mi (1,084.10 km) |
| Isernia to Grenoble | 493.28 mi (793.86 km) |
| Isernia to Gretz-Armainvilliers | 745.09 mi (1,199.11 km) |
| Isernia to Grigny | 754.41 mi (1,214.11 km) |
| Isernia to Grigny | 547.31 mi (880.80 km) |
| Isernia to Groslay | 769.46 mi (1,238.32 km) |
| Isernia to Guebwiller | 555.12 mi (893.39 km) |
