| Ruislip to Ilawa | 848.12 mi (1,364.92 km) |
| Ruislip to Imielin | 860.21 mi (1,384.38 km) |
| Ruislip to Inowroclaw | 794.11 mi (1,277.99 km) |
| Ruislip to Janow Lubelski | 988.14 mi (1,590.26 km) |
| Ruislip to Jarocin | 765.26 mi (1,231.56 km) |
| Ruislip to Jaroslaw | 1,010.81 mi (1,626.74 km) |
| Ruislip to Jasien | 810.55 mi (1,304.45 km) |
| Ruislip to Jaslo | 963.95 mi (1,551.32 km) |
| Ruislip to Jastrzebie-Zdroj | 836.21 mi (1,345.75 km) |
| Ruislip to Jawor | 717.71 mi (1,155.04 km) |
| Ruislip to Jaworzno | 861.31 mi (1,386.14 km) |
| Ruislip to Jedrzejow | 898.79 mi (1,446.47 km) |
| Ruislip to Jelcz-Laskowice | 766.45 mi (1,233.48 km) |
| Ruislip to Jelenia Gora | 699.46 mi (1,125.67 km) |
| Ruislip to Jozefoslaw | 914.35 mi (1,471.51 km) |
