| Landerneau to Illzach | 536.44 mi (863.32 km) |
| Landerneau to Ingre | 282.10 mi (453.99 km) |
| Landerneau to Irigny | 467.75 mi (752.77 km) |
| Landerneau to Isbergues | 335.90 mi (540.59 km) |
| Landerneau to Issoire | 406.17 mi (653.66 km) |
| Landerneau to Issoudun | 308.19 mi (495.99 km) |
| Landerneau to Issy-les-Moulineaux | 298.69 mi (480.69 km) |
| Landerneau to Istres | 558.85 mi (899.39 km) |
| Landerneau to Ivry-sur-Seine | 303.40 mi (488.28 km) |
| Landerneau to Jarville-la-Malgrange | 477.98 mi (769.23 km) |
| Landerneau to Jeumont | 396.44 mi (638.01 km) |
| Landerneau to Joigny | 353.37 mi (568.70 km) |
| Landerneau to Joinville-le-Pont | 307.90 mi (495.51 km) |
| Landerneau to Joue-les-Tours | 239.82 mi (385.95 km) |
| Landerneau to Jouy-le-Moutier | 289.08 mi (465.23 km) |
