| Ecublens to Illzach | 94.25 mi (151.68 km) |
| Ecublens to Ingre | 242.14 mi (389.68 km) |
| Ecublens to Irigny | 102.07 mi (164.26 km) |
| Ecublens to Isbergues | 339.40 mi (546.22 km) |
| Ecublens to Issoire | 172.75 mi (278.01 km) |
| Ecublens to Issoudun | 218.18 mi (351.12 km) |
| Ecublens to Issy-les-Moulineaux | 254.91 mi (410.24 km) |
| Ecublens to Istres | 221.82 mi (356.99 km) |
| Ecublens to Ivry-sur-Seine | 250.44 mi (403.05 km) |
| Ecublens to Jarville-la-Malgrange | 148.90 mi (239.63 km) |
| Ecublens to Jeumont | 283.61 mi (456.42 km) |
| Ecublens to Joigny | 179.16 mi (288.33 km) |
| Ecublens to Joinville-le-Pont | 247.49 mi (398.30 km) |
| Ecublens to Joue-les-Tours | 283.92 mi (456.93 km) |
| Ecublens to Jouy-le-Moutier | 271.09 mi (436.28 km) |
