| Sidcup to Ilawa | 829.32 mi (1,334.66 km) |
| Sidcup to Imielin | 837.41 mi (1,347.68 km) |
| Sidcup to Inowroclaw | 774.20 mi (1,245.95 km) |
| Sidcup to Janow Lubelski | 966.26 mi (1,555.04 km) |
| Sidcup to Jarocin | 744.22 mi (1,197.71 km) |
| Sidcup to Jaroslaw | 988.38 mi (1,590.64 km) |
| Sidcup to Jasien | 792.91 mi (1,276.07 km) |
| Sidcup to Jaslo | 941.14 mi (1,514.62 km) |
| Sidcup to Jastrzebie-Zdroj | 813.17 mi (1,308.66 km) |
| Sidcup to Jawor | 695.44 mi (1,119.20 km) |
| Sidcup to Jaworzno | 838.58 mi (1,349.56 km) |
| Sidcup to Jedrzejow | 876.58 mi (1,410.72 km) |
| Sidcup to Jelcz-Laskowice | 744.29 mi (1,197.82 km) |
| Sidcup to Jelenia Gora | 676.97 mi (1,089.47 km) |
| Sidcup to Jozefoslaw | 893.71 mi (1,438.29 km) |
