| Cal to Ifield | 1,695.14 mi (2,728.07 km) |
| Cal to Ilford | 1,694.17 mi (2,726.51 km) |
| Cal to Ilfracombe | 1,857.93 mi (2,990.05 km) |
| Cal to Ilkeston | 1,785.80 mi (2,873.97 km) |
| Cal to Ilkley | 1,831.31 mi (2,947.20 km) |
| Cal to Immingham | 1,762.82 mi (2,836.99 km) |
| Cal to Ince-in-Makerfield | 1,850.11 mi (2,977.47 km) |
| Cal to Inverness | 2,021.30 mi (3,252.96 km) |
| Cal to Inverurie | 1,954.19 mi (3,144.97 km) |
| Cal to Ipswich | 1,665.66 mi (2,680.62 km) |
| Cal to Irlam | 1,840.89 mi (2,962.63 km) |
| Cal to Irthlingborough | 1,741.72 mi (2,803.03 km) |
| Cal to Irvine | 1,981.90 mi (3,189.56 km) |
| Cal to Islington | 1,701.36 mi (2,738.07 km) |
| Cal to Iver | 1,716.98 mi (2,763.21 km) |
