| London Colney to Illzach | 436.43 mi (702.36 km) |
| London Colney to Ingre | 279.43 mi (449.69 km) |
| London Colney to Irigny | 478.75 mi (770.48 km) |
| London Colney to Isbergues | 141.64 mi (227.94 km) |
| London Colney to Issoire | 456.69 mi (734.96 km) |
| London Colney to Issoudun | 345.84 mi (556.58 km) |
| London Colney to Issy-les-Moulineaux | 230.37 mi (370.74 km) |
| London Colney to Istres | 618.09 mi (994.71 km) |
| London Colney to Ivry-sur-Seine | 233.65 mi (376.02 km) |
| London Colney to Jarville-la-Malgrange | 356.72 mi (574.09 km) |
| London Colney to Jeumont | 215.34 mi (346.56 km) |
| London Colney to Joigny | 306.56 mi (493.37 km) |
| London Colney to Joinville-le-Pont | 235.05 mi (378.28 km) |
| London Colney to Joue-les-Tours | 305.31 mi (491.35 km) |
| London Colney to Jouy-le-Moutier | 214.02 mi (344.43 km) |
