| Leek to Illzach | 551.86 mi (888.13 km) |
| Leek to Ingre | 396.14 mi (637.52 km) |
| Leek to Irigny | 598.28 mi (962.84 km) |
| Leek to Isbergues | 256.84 mi (413.34 km) |
| Leek to Issoire | 573.63 mi (923.17 km) |
| Leek to Issoudun | 461.26 mi (742.32 km) |
| Leek to Issy-les-Moulineaux | 349.89 mi (563.09 km) |
| Leek to Istres | 736.16 mi (1,184.73 km) |
| Leek to Ivry-sur-Seine | 353.28 mi (568.55 km) |
| Leek to Jarville-la-Malgrange | 471.40 mi (758.65 km) |
| Leek to Jeumont | 326.28 mi (525.10 km) |
| Leek to Joigny | 426.43 mi (686.27 km) |
| Leek to Joinville-le-Pont | 354.81 mi (571.01 km) |
| Leek to Joue-les-Tours | 415.00 mi (667.88 km) |
| Leek to Jouy-le-Moutier | 333.43 mi (536.60 km) |
