| Cascais to Ilawa | 1,707.72 mi (2,748.31 km) |
| Cascais to Imielin | 1,604.56 mi (2,582.29 km) |
| Cascais to Inowroclaw | 1,635.16 mi (2,631.54 km) |
| Cascais to Janow Lubelski | 1,751.03 mi (2,818.01 km) |
| Cascais to Jarocin | 1,581.87 mi (2,545.78 km) |
| Cascais to Jaroslaw | 1,749.70 mi (2,815.86 km) |
| Cascais to Jasien | 1,694.26 mi (2,726.65 km) |
| Cascais to Jaslo | 1,692.92 mi (2,724.50 km) |
| Cascais to Jastrzebie-Zdroj | 1,573.88 mi (2,532.91 km) |
| Cascais to Jawor | 1,504.64 mi (2,421.48 km) |
| Cascais to Jaworzno | 1,608.36 mi (2,588.40 km) |
| Cascais to Jedrzejow | 1,660.74 mi (2,672.70 km) |
| Cascais to Jelcz-Laskowice | 1,549.24 mi (2,493.26 km) |
| Cascais to Jelenia Gora | 1,482.00 mi (2,385.05 km) |
| Cascais to Jozefoslaw | 1,724.63 mi (2,775.53 km) |
