| Louvain-la-Neuve to Ingre | 224.77 mi (361.74 km) |
| Louvain-la-Neuve to Irigny | 345.34 mi (555.78 km) |
| Louvain-la-Neuve to Isbergues | 89.57 mi (144.15 km) |
| Louvain-la-Neuve to Issoire | 358.59 mi (577.10 km) |
| Louvain-la-Neuve to Issoudun | 281.07 mi (452.34 km) |
| Louvain-la-Neuve to Issy-les-Moulineaux | 161.61 mi (260.09 km) |
| Louvain-la-Neuve to Istres | 494.66 mi (796.08 km) |
| Louvain-la-Neuve to Ivry-sur-Seine | 159.68 mi (256.98 km) |
| Louvain-la-Neuve to Jarville-la-Malgrange | 157.68 mi (253.75 km) |
| Louvain-la-Neuve to Jeumont | 31.13 mi (50.09 km) |
| Louvain-la-Neuve to Joigny | 192.01 mi (309.01 km) |
| Louvain-la-Neuve to Joinville-le-Pont | 156.35 mi (251.61 km) |
| Louvain-la-Neuve to Joue-les-Tours | 287.52 mi (462.73 km) |
| Louvain-la-Neuve to Jouy-le-Moutier | 158.48 mi (255.04 km) |
| Louvain-la-Neuve to Juvignac | 488.43 mi (786.05 km) |
