| Maidenhead to Ilawa | 860.91 mi (1,385.51 km) |
| Maidenhead to Imielin | 872.53 mi (1,404.20 km) |
| Maidenhead to Inowroclaw | 806.88 mi (1,298.54 km) |
| Maidenhead to Janow Lubelski | 1,000.69 mi (1,610.45 km) |
| Maidenhead to Jarocin | 777.93 mi (1,251.96 km) |
| Maidenhead to Jaroslaw | 1,023.23 mi (1,646.73 km) |
| Maidenhead to Jasien | 823.31 mi (1,324.99 km) |
| Maidenhead to Jaslo | 976.26 mi (1,571.14 km) |
| Maidenhead to Jastrzebie-Zdroj | 848.44 mi (1,365.44 km) |
| Maidenhead to Jawor | 730.17 mi (1,175.09 km) |
| Maidenhead to Jaworzno | 873.64 mi (1,405.99 km) |
| Maidenhead to Jedrzejow | 911.27 mi (1,466.55 km) |
| Maidenhead to Jelcz-Laskowice | 778.93 mi (1,253.57 km) |
| Maidenhead to Jelenia Gora | 711.86 mi (1,145.63 km) |
| Maidenhead to Jozefoslaw | 927.07 mi (1,491.98 km) |
