| Langenthal to Illzach | 44.04 mi (70.87 km) |
| Langenthal to Ingre | 281.95 mi (453.75 km) |
| Langenthal to Irigny | 176.74 mi (284.44 km) |
| Langenthal to Isbergues | 337.31 mi (542.85 km) |
| Langenthal to Issoire | 245.03 mi (394.34 km) |
| Langenthal to Issoudun | 272.98 mi (439.32 km) |
| Langenthal to Issy-les-Moulineaux | 277.85 mi (447.16 km) |
| Langenthal to Istres | 289.44 mi (465.81 km) |
| Langenthal to Ivry-sur-Seine | 273.02 mi (439.38 km) |
| Langenthal to Jarville-la-Malgrange | 124.10 mi (199.73 km) |
| Langenthal to Jeumont | 270.76 mi (435.74 km) |
| Langenthal to Joigny | 211.05 mi (339.65 km) |
| Langenthal to Joinville-le-Pont | 269.23 mi (433.28 km) |
| Langenthal to Joue-les-Tours | 333.77 mi (537.15 km) |
| Langenthal to Jouy-le-Moutier | 292.46 mi (470.67 km) |
