| Duffel to Ingre | 250.65 mi (403.39 km) |
| Duffel to Irigny | 375.22 mi (603.86 km) |
| Duffel to Isbergues | 95.68 mi (153.99 km) |
| Duffel to Issoire | 388.25 mi (624.82 km) |
| Duffel to Issoudun | 308.76 mi (496.91 km) |
| Duffel to Issy-les-Moulineaux | 186.27 mi (299.77 km) |
| Duffel to Istres | 524.53 mi (844.15 km) |
| Duffel to Ivry-sur-Seine | 184.78 mi (297.37 km) |
| Duffel to Jarville-la-Malgrange | 184.00 mi (296.12 km) |
| Duffel to Jeumont | 58.55 mi (94.23 km) |
| Duffel to Joigny | 221.18 mi (355.96 km) |
| Duffel to Joinville-le-Pont | 181.75 mi (292.50 km) |
| Duffel to Joue-les-Tours | 311.88 mi (501.92 km) |
| Duffel to Jouy-le-Moutier | 181.42 mi (291.97 km) |
| Duffel to Juvignac | 518.35 mi (834.20 km) |
