| Hwlffordd to Ilawa | 1,029.60 mi (1,656.98 km) |
| Hwlffordd to Imielin | 1,053.80 mi (1,695.93 km) |
| Hwlffordd to Inowroclaw | 979.75 mi (1,576.75 km) |
| Hwlffordd to Janow Lubelski | 1,179.55 mi (1,898.30 km) |
| Hwlffordd to Jarocin | 954.57 mi (1,536.23 km) |
| Hwlffordd to Jaroslaw | 1,203.55 mi (1,936.93 km) |
| Hwlffordd to Jasien | 987.63 mi (1,589.43 km) |
| Hwlffordd to Jaslo | 1,157.50 mi (1,862.81 km) |
| Hwlffordd to Jastrzebie-Zdroj | 1,030.24 mi (1,658.00 km) |
| Hwlffordd to Jawor | 910.31 mi (1,465.00 km) |
| Hwlffordd to Jaworzno | 1,054.76 mi (1,697.48 km) |
| Hwlffordd to Jedrzejow | 1,091.10 mi (1,755.96 km) |
| Hwlffordd to Jelcz-Laskowice | 958.75 mi (1,542.96 km) |
| Hwlffordd to Jelenia Gora | 892.55 mi (1,436.42 km) |
| Hwlffordd to Jozefoslaw | 1,102.16 mi (1,773.76 km) |
