| Flensburg to Illzach | 491.92 mi (791.68 km) |
| Flensburg to Ingre | 576.04 mi (927.04 km) |
| Flensburg to Irigny | 661.22 mi (1,064.13 km) |
| Flensburg to Isbergues | 409.46 mi (658.97 km) |
| Flensburg to Issoire | 693.89 mi (1,116.71 km) |
| Flensburg to Issoudun | 630.34 mi (1,014.43 km) |
| Flensburg to Issy-les-Moulineaux | 512.49 mi (824.78 km) |
| Flensburg to Istres | 803.57 mi (1,293.23 km) |
| Flensburg to Ivry-sur-Seine | 510.78 mi (822.02 km) |
| Flensburg to Jarville-la-Malgrange | 444.27 mi (714.98 km) |
| Flensburg to Jeumont | 382.40 mi (615.41 km) |
| Flensburg to Joigny | 536.71 mi (863.76 km) |
| Flensburg to Joinville-le-Pont | 507.54 mi (816.81 km) |
| Flensburg to Joue-les-Tours | 638.28 mi (1,027.22 km) |
| Flensburg to Jouy-le-Moutier | 507.85 mi (817.31 km) |
