| Dorchester to Illzach | 485.13 mi (780.74 km) |
| Dorchester to Ingre | 272.16 mi (438.00 km) |
| Dorchester to Irigny | 482.43 mi (776.39 km) |
| Dorchester to Isbergues | 214.34 mi (344.95 km) |
| Dorchester to Issoire | 442.89 mi (712.77 km) |
| Dorchester to Issoudun | 329.04 mi (529.54 km) |
| Dorchester to Issy-les-Moulineaux | 247.30 mi (398.00 km) |
| Dorchester to Istres | 607.14 mi (977.09 km) |
| Dorchester to Ivry-sur-Seine | 251.89 mi (405.38 km) |
| Dorchester to Jarville-la-Malgrange | 411.05 mi (661.52 km) |
| Dorchester to Jeumont | 288.68 mi (464.59 km) |
| Dorchester to Joigny | 323.29 mi (520.28 km) |
| Dorchester to Joinville-le-Pont | 255.12 mi (410.58 km) |
| Dorchester to Joue-les-Tours | 271.48 mi (436.91 km) |
| Dorchester to Jouy-le-Moutier | 231.46 mi (372.50 km) |
