| Harlingen to Imielin | 626.12 mi (1,007.64 km) |
| Harlingen to Inowroclaw | 533.79 mi (859.05 km) |
| Harlingen to Janow Lubelski | 741.31 mi (1,193.02 km) |
| Harlingen to Jarocin | 513.16 mi (825.85 km) |
| Harlingen to Jaroslaw | 769.74 mi (1,238.78 km) |
| Harlingen to Jasien | 541.66 mi (871.72 km) |
| Harlingen to Jaslo | 728.25 mi (1,172.00 km) |
| Harlingen to Jastrzebie-Zdroj | 606.30 mi (975.74 km) |
| Harlingen to Jawor | 479.53 mi (771.73 km) |
| Harlingen to Jaworzno | 626.21 mi (1,007.79 km) |
| Harlingen to Jedrzejow | 656.51 mi (1,056.55 km) |
| Harlingen to Jelcz-Laskowice | 525.77 mi (846.15 km) |
| Harlingen to Jelenia Gora | 464.80 mi (748.03 km) |
| Harlingen to Jozefoslaw | 657.76 mi (1,058.56 km) |
| Harlingen to Jozefow | 665.01 mi (1,070.23 km) |
