| Grenchen to Illzach | 40.94 mi (65.88 km) |
| Grenchen to Ingre | 264.62 mi (425.86 km) |
| Grenchen to Irigny | 161.28 mi (259.56 km) |
| Grenchen to Isbergues | 326.32 mi (525.16 km) |
| Grenchen to Issoire | 228.08 mi (367.06 km) |
| Grenchen to Issoudun | 254.77 mi (410.02 km) |
| Grenchen to Issy-les-Moulineaux | 262.40 mi (422.29 km) |
| Grenchen to Istres | 279.52 mi (449.84 km) |
| Grenchen to Ivry-sur-Seine | 257.59 mi (414.55 km) |
| Grenchen to Jarville-la-Malgrange | 116.08 mi (186.82 km) |
| Grenchen to Jeumont | 261.72 mi (421.20 km) |
| Grenchen to Joigny | 194.20 mi (312.54 km) |
| Grenchen to Joinville-le-Pont | 253.90 mi (408.61 km) |
| Grenchen to Joue-les-Tours | 315.80 mi (508.22 km) |
| Grenchen to Jouy-le-Moutier | 277.28 mi (446.24 km) |
