| Milford Haven to Ilawa | 1,034.28 mi (1,664.52 km) |
| Milford Haven to Imielin | 1,057.26 mi (1,701.50 km) |
| Milford Haven to Inowroclaw | 984.14 mi (1,583.83 km) |
| Milford Haven to Janow Lubelski | 1,183.39 mi (1,904.49 km) |
| Milford Haven to Jarocin | 958.64 mi (1,542.78 km) |
| Milford Haven to Jaroslaw | 1,207.19 mi (1,942.79 km) |
| Milford Haven to Jasien | 992.55 mi (1,597.36 km) |
| Milford Haven to Jaslo | 1,160.97 mi (1,868.41 km) |
| Milford Haven to Jastrzebie-Zdroj | 1,033.59 mi (1,663.40 km) |
| Milford Haven to Jawor | 913.95 mi (1,470.86 km) |
| Milford Haven to Jaworzno | 1,058.25 mi (1,703.10 km) |
| Milford Haven to Jedrzejow | 1,094.81 mi (1,761.92 km) |
| Milford Haven to Jelcz-Laskowice | 962.45 mi (1,548.91 km) |
| Milford Haven to Jelenia Gora | 896.10 mi (1,442.14 km) |
| Milford Haven to Jozefoslaw | 1,106.39 mi (1,780.57 km) |
