| Round Rock to Illzach | 5,314.89 mi (8,553.49 km) |
| Round Rock to Ingre | 5,087.32 mi (8,187.25 km) |
| Round Rock to Irigny | 5,286.52 mi (8,507.84 km) |
| Round Rock to Isbergues | 5,026.27 mi (8,089.00 km) |
| Round Rock to Issoire | 5,224.83 mi (8,408.55 km) |
| Round Rock to Issoudun | 5,125.72 mi (8,249.04 km) |
| Round Rock to Issy-les-Moulineaux | 5,076.41 mi (8,169.69 km) |
| Round Rock to Istres | 5,369.06 mi (8,640.68 km) |
| Round Rock to Ivry-sur-Seine | 5,081.14 mi (8,177.31 km) |
| Round Rock to Jarville-la-Malgrange | 5,238.32 mi (8,430.26 km) |
| Round Rock to Jeumont | 5,100.82 mi (8,208.97 km) |
| Round Rock to Joigny | 5,149.47 mi (8,287.27 km) |
| Round Rock to Joinville-le-Pont | 5,084.65 mi (8,182.96 km) |
| Round Rock to Joue-les-Tours | 5,057.39 mi (8,139.08 km) |
| Round Rock to Jouy-le-Moutier | 5,061.11 mi (8,145.07 km) |
