| Gentilly to Ingre | 66.14 mi (106.44 km) |
| Gentilly to Irigny | 246.11 mi (396.07 km) |
| Gentilly to Isbergues | 125.16 mi (201.42 km) |
| Gentilly to Issoire | 229.83 mi (369.87 km) |
| Gentilly to Issoudun | 129.90 mi (209.05 km) |
| Gentilly to Issy-les-Moulineaux | 3.46 mi (5.57 km) |
| Gentilly to Istres | 387.27 mi (623.25 km) |
| Gentilly to Ivry-sur-Seine | 1.43 mi (2.30 km) |
| Gentilly to Jarville-la-Malgrange | 176.22 mi (283.59 km) |
| Gentilly to Jeumont | 129.12 mi (207.80 km) |
| Gentilly to Joigny | 75.03 mi (120.75 km) |
| Gentilly to Joinville-le-Pont | 5.87 mi (9.44 km) |
| Gentilly to Joue-les-Tours | 127.39 mi (205.01 km) |
| Gentilly to Jouy-le-Moutier | 19.47 mi (31.33 km) |
| Gentilly to Juvignac | 366.05 mi (589.09 km) |
