| Isernia to Illzach | 544.40 mi (876.12 km) |
| Isernia to Ingre | 747.89 mi (1,203.61 km) |
| Isernia to Irigny | 547.95 mi (881.84 km) |
| Isernia to Isbergues | 838.81 mi (1,349.93 km) |
| Isernia to Issoire | 613.16 mi (986.78 km) |
| Isernia to Issoudun | 708.33 mi (1,139.94 km) |
| Isernia to Issy-les-Moulineaux | 765.46 mi (1,231.89 km) |
| Isernia to Istres | 488.66 mi (786.42 km) |
| Isernia to Ivry-sur-Seine | 760.96 mi (1,224.65 km) |
| Isernia to Jarville-la-Malgrange | 625.14 mi (1,006.07 km) |
| Isernia to Jeumont | 771.77 mi (1,242.04 km) |
| Isernia to Joigny | 689.45 mi (1,109.57 km) |
| Isernia to Joinville-le-Pont | 757.94 mi (1,219.78 km) |
| Isernia to Joue-les-Tours | 776.73 mi (1,250.02 km) |
| Isernia to Jouy-le-Moutier | 781.57 mi (1,257.81 km) |
