| Opmeer to Imielin | 638.61 mi (1,027.74 km) |
| Opmeer to Inowroclaw | 555.98 mi (894.76 km) |
| Opmeer to Janow Lubelski | 758.31 mi (1,220.38 km) |
| Opmeer to Jarocin | 531.60 mi (855.53 km) |
| Opmeer to Jaroslaw | 784.85 mi (1,263.09 km) |
| Opmeer to Jasien | 569.49 mi (916.51 km) |
| Opmeer to Jaslo | 741.56 mi (1,193.42 km) |
| Opmeer to Jastrzebie-Zdroj | 617.43 mi (993.66 km) |
| Opmeer to Jawor | 492.68 mi (792.90 km) |
| Opmeer to Jaworzno | 639.01 mi (1,028.39 km) |
| Opmeer to Jedrzejow | 671.74 mi (1,081.07 km) |
| Opmeer to Jelcz-Laskowice | 540.00 mi (869.05 km) |
| Opmeer to Jelenia Gora | 476.69 mi (767.17 km) |
| Opmeer to Jozefoslaw | 678.41 mi (1,091.80 km) |
| Opmeer to Jozefow | 685.84 mi (1,103.76 km) |
