| Sierre to Ifield | 484.91 mi (780.39 km) |
| Sierre to Ilford | 495.74 mi (797.82 km) |
| Sierre to Ilfracombe | 628.80 mi (1,011.96 km) |
| Sierre to Ilkeston | 606.56 mi (976.17 km) |
| Sierre to Ilkley | 669.19 mi (1,076.95 km) |
| Sierre to Immingham | 610.86 mi (983.08 km) |
| Sierre to Ince-in-Makerfield | 672.08 mi (1,081.61 km) |
| Sierre to Inverness | 917.95 mi (1,477.30 km) |
| Sierre to Inverurie | 866.92 mi (1,395.17 km) |
| Sierre to Ipswich | 490.84 mi (789.94 km) |
| Sierre to Irlam | 662.28 mi (1,065.84 km) |
| Sierre to Irthlingborough | 554.22 mi (891.93 km) |
| Sierre to Irvine | 832.00 mi (1,338.98 km) |
| Sierre to Islington | 500.95 mi (806.20 km) |
| Sierre to Iver | 512.70 mi (825.11 km) |
