| Sleaford to Illzach | 496.11 mi (798.41 km) |
| Sleaford to Ingre | 364.17 mi (586.08 km) |
| Sleaford to Irigny | 557.82 mi (897.72 km) |
| Sleaford to Isbergues | 204.67 mi (329.38 km) |
| Sleaford to Issoire | 540.50 mi (869.86 km) |
| Sleaford to Issoudun | 431.27 mi (694.06 km) |
| Sleaford to Issy-les-Moulineaux | 311.00 mi (500.51 km) |
| Sleaford to Istres | 700.13 mi (1,126.75 km) |
| Sleaford to Ivry-sur-Seine | 313.78 mi (504.97 km) |
| Sleaford to Jarville-la-Malgrange | 415.36 mi (668.45 km) |
| Sleaford to Jeumont | 268.80 mi (432.59 km) |
| Sleaford to Joigny | 384.65 mi (619.04 km) |
| Sleaford to Joinville-le-Pont | 314.58 mi (506.27 km) |
| Sleaford to Joue-les-Tours | 392.88 mi (632.29 km) |
| Sleaford to Jouy-le-Moutier | 295.22 mi (475.11 km) |
