| Clacton-on-Sea to Ifield | 74.33 mi (119.63 km) |
| Clacton-on-Sea to Ilford | 48.21 mi (77.59 km) |
| Clacton-on-Sea to Ilfracombe | 230.00 mi (370.14 km) |
| Clacton-on-Sea to Ilkeston | 131.73 mi (212.00 km) |
| Clacton-on-Sea to Ilkley | 192.45 mi (309.72 km) |
| Clacton-on-Sea to Immingham | 138.23 mi (222.47 km) |
| Clacton-on-Sea to Ince-in-Makerfield | 197.98 mi (318.62 km) |
| Clacton-on-Sea to Inverness | 447.41 mi (720.04 km) |
| Clacton-on-Sea to Inverurie | 404.55 mi (651.05 km) |
| Clacton-on-Sea to Ipswich | 18.49 mi (29.76 km) |
| Clacton-on-Sea to Irlam | 188.23 mi (302.93 km) |
| Clacton-on-Sea to Irthlingborough | 83.31 mi (134.07 km) |
| Clacton-on-Sea to Irvine | 355.25 mi (571.72 km) |
| Clacton-on-Sea to Islington | 56.17 mi (90.40 km) |
| Clacton-on-Sea to Iver | 73.27 mi (117.91 km) |
