| Naples to Illzach | 588.51 mi (947.12 km) |
| Naples to Ingre | 783.43 mi (1,260.81 km) |
| Naples to Irigny | 579.80 mi (933.10 km) |
| Naples to Isbergues | 881.60 mi (1,418.81 km) |
| Naples to Issoire | 641.87 mi (1,033.00 km) |
| Naples to Issoudun | 740.91 mi (1,192.38 km) |
| Naples to Issy-les-Moulineaux | 804.11 mi (1,294.09 km) |
| Naples to Istres | 508.75 mi (818.75 km) |
| Naples to Ivry-sur-Seine | 799.71 mi (1,287.01 km) |
| Naples to Jarville-la-Malgrange | 669.21 mi (1,076.98 km) |
| Naples to Jeumont | 815.93 mi (1,313.11 km) |
| Naples to Joigny | 727.37 mi (1,170.59 km) |
| Naples to Joinville-le-Pont | 796.85 mi (1,282.40 km) |
| Naples to Joue-les-Tours | 809.04 mi (1,302.03 km) |
| Naples to Jouy-le-Moutier | 820.40 mi (1,320.30 km) |
