| Grefrath to Illzach | 249.67 mi (401.81 km) |
| Grefrath to Ingre | 310.62 mi (499.89 km) |
| Grefrath to Irigny | 397.39 mi (639.54 km) |
| Grefrath to Isbergues | 175.97 mi (283.20 km) |
| Grefrath to Issoire | 424.45 mi (683.08 km) |
| Grefrath to Issoudun | 361.16 mi (581.23 km) |
| Grefrath to Issy-les-Moulineaux | 250.35 mi (402.90 km) |
| Grefrath to Istres | 544.05 mi (875.56 km) |
| Grefrath to Ivry-sur-Seine | 247.83 mi (398.85 km) |
| Grefrath to Jarville-la-Malgrange | 184.36 mi (296.70 km) |
| Grefrath to Jeumont | 121.40 mi (195.37 km) |
| Grefrath to Joigny | 266.48 mi (428.86 km) |
| Grefrath to Joinville-le-Pont | 244.08 mi (392.81 km) |
| Grefrath to Joue-les-Tours | 375.47 mi (604.26 km) |
| Grefrath to Jouy-le-Moutier | 249.05 mi (400.80 km) |
