| Radviliskis to Imielin | 430.86 mi (693.40 km) |
| Radviliskis to Inowroclaw | 297.57 mi (478.90 km) |
| Radviliskis to Janow Lubelski | 354.32 mi (570.22 km) |
| Radviliskis to Jarocin | 361.48 mi (581.75 km) |
| Radviliskis to Jaroslaw | 401.09 mi (645.49 km) |
| Radviliskis to Jasien | 221.62 mi (356.67 km) |
| Radviliskis to Jaslo | 427.05 mi (687.26 km) |
| Radviliskis to Jastrzebie-Zdroj | 453.90 mi (730.48 km) |
| Radviliskis to Jawor | 445.94 mi (717.67 km) |
| Radviliskis to Jaworzno | 425.41 mi (684.64 km) |
| Radviliskis to Jedrzejow | 381.36 mi (613.74 km) |
| Radviliskis to Jelcz-Laskowice | 416.80 mi (670.77 km) |
| Radviliskis to Jelenia Gora | 466.75 mi (751.16 km) |
| Radviliskis to Jozefoslaw | 275.09 mi (442.72 km) |
| Radviliskis to Jozefow | 270.24 mi (434.91 km) |
