| Port Royal to Illzach | 4,521.44 mi (7,276.55 km) |
| Port Royal to Ingre | 4,277.64 mi (6,884.19 km) |
| Port Royal to Irigny | 4,463.60 mi (7,183.47 km) |
| Port Royal to Isbergues | 4,247.63 mi (6,835.91 km) |
| Port Royal to Issoire | 4,395.64 mi (7,074.11 km) |
| Port Royal to Issoudun | 4,306.56 mi (6,930.75 km) |
| Port Royal to Issy-les-Moulineaux | 4,277.56 mi (6,884.07 km) |
| Port Royal to Istres | 4,526.43 mi (7,284.59 km) |
| Port Royal to Ivry-sur-Seine | 4,282.43 mi (6,891.91 km) |
| Port Royal to Jarville-la-Malgrange | 4,450.21 mi (7,161.91 km) |
| Port Royal to Jeumont | 4,323.46 mi (6,957.94 km) |
| Port Royal to Joigny | 4,345.18 mi (6,992.89 km) |
| Port Royal to Joinville-le-Pont | 4,286.38 mi (6,898.26 km) |
| Port Royal to Joue-les-Tours | 4,238.44 mi (6,821.10 km) |
| Port Royal to Jouy-le-Moutier | 4,263.58 mi (6,861.56 km) |
