| Royston to Illzach | 440.40 mi (708.76 km) |
| Royston to Ingre | 296.63 mi (477.38 km) |
| Royston to Irigny | 492.09 mi (791.93 km) |
| Royston to Isbergues | 145.28 mi (233.80 km) |
| Royston to Issoire | 473.18 mi (761.50 km) |
| Royston to Issoudun | 363.67 mi (585.27 km) |
| Royston to Issy-les-Moulineaux | 244.42 mi (393.35 km) |
| Royston to Istres | 633.35 mi (1,019.28 km) |
| Royston to Ivry-sur-Seine | 247.36 mi (398.09 km) |
| Royston to Jarville-la-Malgrange | 360.04 mi (579.43 km) |
| Royston to Jeumont | 215.70 mi (347.13 km) |
| Royston to Joigny | 319.14 mi (513.60 km) |
| Royston to Joinville-le-Pont | 248.38 mi (399.73 km) |
| Royston to Joue-les-Tours | 325.87 mi (524.43 km) |
| Royston to Jouy-le-Moutier | 228.42 mi (367.61 km) |
