| Sierpc to Illzach | 646.28 mi (1,040.09 km) |
| Sierpc to Ingre | 854.39 mi (1,375.01 km) |
| Sierpc to Irigny | 831.54 mi (1,338.24 km) |
| Sierpc to Isbergues | 750.54 mi (1,207.88 km) |
| Sierpc to Issoire | 894.59 mi (1,439.70 km) |
| Sierpc to Issoudun | 883.55 mi (1,421.93 km) |
| Sierpc to Issy-les-Moulineaux | 806.53 mi (1,297.98 km) |
| Sierpc to Istres | 932.54 mi (1,500.78 km) |
| Sierpc to Ivry-sur-Seine | 802.79 mi (1,291.96 km) |
| Sierpc to Jarville-la-Malgrange | 654.85 mi (1,053.88 km) |
| Sierpc to Jeumont | 690.17 mi (1,110.73 km) |
| Sierpc to Joigny | 789.72 mi (1,270.93 km) |
| Sierpc to Joinville-le-Pont | 798.39 mi (1,284.88 km) |
| Sierpc to Joue-les-Tours | 921.00 mi (1,482.20 km) |
| Sierpc to Jouy-le-Moutier | 810.19 mi (1,303.87 km) |
