| Reading to Illzach | 450.26 mi (724.62 km) |
| Reading to Ingre | 274.26 mi (441.37 km) |
| Reading to Irigny | 479.01 mi (770.90 km) |
| Reading to Isbergues | 159.67 mi (256.96 km) |
| Reading to Issoire | 451.59 mi (726.77 km) |
| Reading to Issoudun | 338.85 mi (545.33 km) |
| Reading to Issy-les-Moulineaux | 231.58 mi (372.70 km) |
| Reading to Istres | 614.65 mi (989.19 km) |
| Reading to Ivry-sur-Seine | 235.36 mi (378.78 km) |
| Reading to Jarville-la-Malgrange | 371.81 mi (598.36 km) |
| Reading to Jeumont | 235.25 mi (378.60 km) |
| Reading to Joigny | 309.18 mi (497.58 km) |
| Reading to Joinville-le-Pont | 237.39 mi (382.04 km) |
| Reading to Joue-les-Tours | 292.84 mi (471.28 km) |
| Reading to Jouy-le-Moutier | 214.95 mi (345.92 km) |
