| Clayton to Ifield | 195.73 mi (315.00 km) |
| Clayton to Ilford | 173.06 mi (278.52 km) |
| Clayton to Ilfracombe | 202.57 mi (326.00 km) |
| Clayton to Ilkeston | 59.77 mi (96.19 km) |
| Clayton to Ilkley | 9.89 mi (15.91 km) |
| Clayton to Immingham | 66.28 mi (106.66 km) |
| Clayton to Ince-in-Makerfield | 36.24 mi (58.32 km) |
| Clayton to Inverness | 272.08 mi (437.87 km) |
| Clayton to Inverurie | 242.70 mi (390.59 km) |
| Clayton to Ipswich | 171.62 mi (276.20 km) |
| Clayton to Irlam | 34.12 mi (54.91 km) |
| Clayton to Irthlingborough | 112.38 mi (180.86 km) |
| Clayton to Irvine | 170.43 mi (274.29 km) |
| Clayton to Islington | 170.43 mi (274.28 km) |
| Clayton to Iver | 165.53 mi (266.40 km) |
