| Harrow Weald to Illzach | 432.95 mi (696.76 km) |
| Harrow Weald to Ingre | 272.16 mi (438.01 km) |
| Harrow Weald to Irigny | 472.44 mi (760.31 km) |
| Harrow Weald to Isbergues | 138.90 mi (223.53 km) |
| Harrow Weald to Issoire | 449.53 mi (723.45 km) |
| Harrow Weald to Issoudun | 338.39 mi (544.58 km) |
| Harrow Weald to Issy-les-Moulineaux | 224.03 mi (360.54 km) |
| Harrow Weald to Istres | 611.22 mi (983.66 km) |
| Harrow Weald to Ivry-sur-Seine | 227.40 mi (365.96 km) |
| Harrow Weald to Jarville-la-Malgrange | 353.52 mi (568.94 km) |
| Harrow Weald to Jeumont | 213.37 mi (343.39 km) |
| Harrow Weald to Joigny | 300.56 mi (483.71 km) |
| Harrow Weald to Joinville-le-Pont | 228.92 mi (368.40 km) |
| Harrow Weald to Joue-les-Tours | 297.24 mi (478.36 km) |
| Harrow Weald to Jouy-le-Moutier | 207.60 mi (334.11 km) |
