| Seia to Ilawa | 1,558.79 mi (2,508.64 km) |
| Seia to Imielin | 1,459.61 mi (2,349.02 km) |
| Seia to Inowroclaw | 1,486.57 mi (2,392.40 km) |
| Seia to Janow Lubelski | 1,606.11 mi (2,584.78 km) |
| Seia to Jarocin | 1,433.85 mi (2,307.57 km) |
| Seia to Jaroslaw | 1,606.02 mi (2,584.64 km) |
| Seia to Jasien | 1,544.74 mi (2,486.02 km) |
| Seia to Jaslo | 1,549.40 mi (2,493.51 km) |
| Seia to Jastrzebie-Zdroj | 1,429.02 mi (2,299.78 km) |
| Seia to Jawor | 1,357.25 mi (2,184.29 km) |
| Seia to Jaworzno | 1,463.31 mi (2,354.97 km) |
| Seia to Jedrzejow | 1,515.33 mi (2,438.69 km) |
| Seia to Jelcz-Laskowice | 1,402.27 mi (2,256.73 km) |
| Seia to Jelenia Gora | 1,334.63 mi (2,147.88 km) |
| Seia to Jozefoslaw | 1,577.44 mi (2,538.65 km) |
