| Borehamwood to Ilawa | 839.87 mi (1,351.63 km) |
| Borehamwood to Imielin | 853.24 mi (1,373.15 km) |
| Borehamwood to Inowroclaw | 786.10 mi (1,265.11 km) |
| Borehamwood to Janow Lubelski | 980.75 mi (1,578.37 km) |
| Borehamwood to Jarocin | 757.58 mi (1,219.20 km) |
| Borehamwood to Jaroslaw | 1,003.65 mi (1,615.21 km) |
| Borehamwood to Jasien | 802.09 mi (1,290.84 km) |
| Borehamwood to Jaslo | 956.97 mi (1,540.09 km) |
| Borehamwood to Jastrzebie-Zdroj | 829.37 mi (1,334.74 km) |
| Borehamwood to Jawor | 710.49 mi (1,143.43 km) |
| Borehamwood to Jaworzno | 854.30 mi (1,374.86 km) |
| Borehamwood to Jedrzejow | 891.54 mi (1,434.80 km) |
| Borehamwood to Jelcz-Laskowice | 759.19 mi (1,221.79 km) |
| Borehamwood to Jelenia Gora | 692.35 mi (1,114.23 km) |
| Borehamwood to Jozefoslaw | 906.54 mi (1,458.94 km) |
