| Estoril to Ilawa | 1,706.83 mi (2,746.88 km) |
| Estoril to Imielin | 1,603.61 mi (2,580.76 km) |
| Estoril to Inowroclaw | 1,634.26 mi (2,630.09 km) |
| Estoril to Janow Lubelski | 1,750.07 mi (2,816.47 km) |
| Estoril to Jarocin | 1,580.96 mi (2,544.31 km) |
| Estoril to Jaroslaw | 1,748.73 mi (2,814.31 km) |
| Estoril to Jasien | 1,693.39 mi (2,725.25 km) |
| Estoril to Jaslo | 1,691.96 mi (2,722.94 km) |
| Estoril to Jastrzebie-Zdroj | 1,572.92 mi (2,531.38 km) |
| Estoril to Jawor | 1,503.71 mi (2,419.99 km) |
| Estoril to Jaworzno | 1,607.40 mi (2,586.87 km) |
| Estoril to Jedrzejow | 1,659.79 mi (2,671.17 km) |
| Estoril to Jelcz-Laskowice | 1,548.31 mi (2,491.76 km) |
| Estoril to Jelenia Gora | 1,481.08 mi (2,383.56 km) |
| Estoril to Jozefoslaw | 1,723.71 mi (2,774.04 km) |
