| Tadley to Ilawa | 881.76 mi (1,419.05 km) |
| Tadley to Imielin | 891.02 mi (1,433.97 km) |
| Tadley to Inowroclaw | 827.30 mi (1,331.41 km) |
| Tadley to Janow Lubelski | 1,019.97 mi (1,641.49 km) |
| Tadley to Jarocin | 797.78 mi (1,283.90 km) |
| Tadley to Jaroslaw | 1,042.07 mi (1,677.05 km) |
| Tadley to Jasien | 844.47 mi (1,359.05 km) |
| Tadley to Jaslo | 994.75 mi (1,600.90 km) |
| Tadley to Jastrzebie-Zdroj | 866.69 mi (1,394.80 km) |
| Tadley to Jawor | 749.15 mi (1,205.64 km) |
| Tadley to Jaworzno | 892.21 mi (1,435.87 km) |
| Tadley to Jedrzejow | 930.30 mi (1,497.17 km) |
| Tadley to Jelcz-Laskowice | 798.01 mi (1,284.27 km) |
| Tadley to Jelenia Gora | 730.65 mi (1,175.87 km) |
| Tadley to Jozefoslaw | 947.14 mi (1,524.28 km) |
