| Walton upon Thames to Illzach | 427.31 mi (687.68 km) |
| Walton upon Thames to Ingre | 259.53 mi (417.68 km) |
| Walton upon Thames to Irigny | 461.51 mi (742.73 km) |
| Walton upon Thames to Isbergues | 135.46 mi (218.00 km) |
| Walton upon Thames to Issoire | 437.02 mi (703.32 km) |
| Walton upon Thames to Issoudun | 325.34 mi (523.58 km) |
| Walton upon Thames to Issy-les-Moulineaux | 213.27 mi (343.22 km) |
| Walton upon Thames to Istres | 599.20 mi (964.33 km) |
| Walton upon Thames to Ivry-sur-Seine | 216.81 mi (348.92 km) |
| Walton upon Thames to Jarville-la-Malgrange | 348.48 mi (560.82 km) |
| Walton upon Thames to Jeumont | 210.90 mi (339.41 km) |
| Walton upon Thames to Joigny | 290.35 mi (467.27 km) |
| Walton upon Thames to Joinville-le-Pont | 218.54 mi (351.71 km) |
| Walton upon Thames to Joue-les-Tours | 282.98 mi (455.41 km) |
| Walton upon Thames to Jouy-le-Moutier | 196.72 mi (316.60 km) |
