| Islington to Ilawa | 835.24 mi (1,344.19 km) |
| Islington to Imielin | 846.07 mi (1,361.61 km) |
| Islington to Inowroclaw | 780.82 mi (1,256.62 km) |
| Islington to Janow Lubelski | 974.23 mi (1,567.88 km) |
| Islington to Jarocin | 751.60 mi (1,209.58 km) |
| Islington to Jaroslaw | 996.75 mi (1,604.12 km) |
| Islington to Jasien | 798.12 mi (1,284.45 km) |
| Islington to Jaslo | 949.80 mi (1,528.56 km) |
| Islington to Jastrzebie-Zdroj | 822.01 mi (1,322.90 km) |
| Islington to Jawor | 703.69 mi (1,132.48 km) |
| Islington to Jaworzno | 847.18 mi (1,363.40 km) |
| Islington to Jedrzejow | 884.79 mi (1,423.94 km) |
| Islington to Jelcz-Laskowice | 752.46 mi (1,210.97 km) |
| Islington to Jelenia Gora | 685.38 mi (1,103.02 km) |
| Islington to Jozefoslaw | 900.82 mi (1,449.74 km) |
