| Great Cornard to Ilawa | 790.91 mi (1,272.85 km) |
| Great Cornard to Imielin | 809.91 mi (1,303.43 km) |
| Great Cornard to Inowroclaw | 738.15 mi (1,187.94 km) |
| Great Cornard to Janow Lubelski | 935.42 mi (1,505.41 km) |
| Great Cornard to Jarocin | 711.03 mi (1,144.29 km) |
| Great Cornard to Jaroslaw | 959.37 mi (1,543.96 km) |
| Great Cornard to Jasien | 752.43 mi (1,210.91 km) |
| Great Cornard to Jaslo | 913.57 mi (1,470.24 km) |
| Great Cornard to Jastrzebie-Zdroj | 786.69 mi (1,266.05 km) |
| Great Cornard to Jawor | 666.13 mi (1,072.03 km) |
| Great Cornard to Jaworzno | 810.80 mi (1,304.86 km) |
| Great Cornard to Jedrzejow | 846.89 mi (1,362.94 km) |
| Great Cornard to Jelcz-Laskowice | 714.54 mi (1,149.95 km) |
| Great Cornard to Jelenia Gora | 648.48 mi (1,043.63 km) |
| Great Cornard to Jozefoslaw | 859.37 mi (1,383.03 km) |
