| Witham to Ilawa | 799.80 mi (1,287.15 km) |
| Witham to Imielin | 814.33 mi (1,310.53 km) |
| Witham to Inowroclaw | 746.00 mi (1,200.57 km) |
| Witham to Janow Lubelski | 941.17 mi (1,514.67 km) |
| Witham to Jarocin | 717.67 mi (1,154.99 km) |
| Witham to Jaroslaw | 964.41 mi (1,552.06 km) |
| Witham to Jasien | 762.25 mi (1,226.72 km) |
| Witham to Jaslo | 918.04 mi (1,477.44 km) |
| Witham to Jastrzebie-Zdroj | 790.70 mi (1,272.51 km) |
| Witham to Jawor | 671.20 mi (1,080.18 km) |
| Witham to Jaworzno | 815.32 mi (1,312.13 km) |
| Witham to Jedrzejow | 852.17 mi (1,371.43 km) |
| Witham to Jelcz-Laskowice | 719.80 mi (1,158.41 km) |
| Witham to Jelenia Gora | 653.22 mi (1,051.25 km) |
| Witham to Jozefoslaw | 866.53 mi (1,394.55 km) |
