| Blackrock to Illzach | 704.07 mi (1,133.08 km) |
| Blackrock to Ingre | 510.59 mi (821.72 km) |
| Blackrock to Irigny | 720.63 mi (1,159.74 km) |
| Blackrock to Isbergues | 411.18 mi (661.73 km) |
| Blackrock to Issoire | 682.01 mi (1,097.59 km) |
| Blackrock to Issoudun | 568.22 mi (914.46 km) |
| Blackrock to Issy-les-Moulineaux | 479.32 mi (771.38 km) |
| Blackrock to Istres | 846.18 mi (1,361.79 km) |
| Blackrock to Ivry-sur-Seine | 483.55 mi (778.19 km) |
| Blackrock to Jarville-la-Malgrange | 625.30 mi (1,006.33 km) |
| Blackrock to Jeumont | 485.30 mi (781.01 km) |
| Blackrock to Joigny | 556.92 mi (896.27 km) |
| Blackrock to Joinville-le-Pont | 486.17 mi (782.42 km) |
| Blackrock to Joue-les-Tours | 509.46 mi (819.90 km) |
| Blackrock to Jouy-le-Moutier | 462.82 mi (744.84 km) |
