| Porto to Illzach | 908.05 mi (1,461.36 km) |
| Porto to Ingre | 693.64 mi (1,116.31 km) |
| Porto to Irigny | 742.00 mi (1,194.13 km) |
| Porto to Isbergues | 841.43 mi (1,354.15 km) |
| Porto to Issoire | 667.92 mi (1,074.92 km) |
| Porto to Issoudun | 660.59 mi (1,063.11 km) |
| Porto to Issy-les-Moulineaux | 749.25 mi (1,205.80 km) |
| Porto to Istres | 713.04 mi (1,147.52 km) |
| Porto to Ivry-sur-Seine | 752.13 mi (1,210.44 km) |
| Porto to Jarville-la-Malgrange | 889.35 mi (1,431.28 km) |
| Porto to Jeumont | 877.85 mi (1,412.76 km) |
| Porto to Joigny | 754.83 mi (1,214.78 km) |
| Porto to Joinville-le-Pont | 756.14 mi (1,216.89 km) |
| Porto to Joue-les-Tours | 626.86 mi (1,008.84 km) |
| Porto to Jouy-le-Moutier | 749.96 mi (1,206.95 km) |
