| Seaford to Ilawa | 844.54 mi (1,359.16 km) |
| Seaford to Imielin | 839.82 mi (1,351.55 km) |
| Seaford to Inowroclaw | 786.58 mi (1,265.87 km) |
| Seaford to Janow Lubelski | 972.02 mi (1,564.31 km) |
| Seaford to Jarocin | 753.27 mi (1,212.27 km) |
| Seaford to Jaroslaw | 992.05 mi (1,596.55 km) |
| Seaford to Jasien | 811.01 mi (1,305.20 km) |
| Seaford to Jaslo | 943.36 mi (1,518.19 km) |
| Seaford to Jastrzebie-Zdroj | 814.56 mi (1,310.90 km) |
| Seaford to Jawor | 700.28 mi (1,127.00 km) |
| Seaford to Jaworzno | 841.27 mi (1,353.89 km) |
| Seaford to Jedrzejow | 881.27 mi (1,418.26 km) |
| Seaford to Jelcz-Laskowice | 749.43 mi (1,206.09 km) |
| Seaford to Jelenia Gora | 680.99 mi (1,095.95 km) |
| Seaford to Jozefoslaw | 903.70 mi (1,454.37 km) |
