| Enid to Ickenham | 4,588.34 mi (7,384.21 km) |
| Enid to Ifield | 4,612.22 mi (7,422.65 km) |
| Enid to Ilford | 4,608.30 mi (7,416.35 km) |
| Enid to Ilfracombe | 4,460.44 mi (7,178.38 km) |
| Enid to Ilkeston | 4,509.32 mi (7,257.05 km) |
| Enid to Ilkley | 4,459.78 mi (7,177.32 km) |
| Enid to Immingham | 4,527.65 mi (7,286.55 km) |
| Enid to Ince-in-Makerfield | 4,443.82 mi (7,151.63 km) |
| Enid to Inverness | 4,268.29 mi (6,869.14 km) |
| Enid to Inverurie | 4,336.33 mi (6,978.66 km) |
| Enid to Ipswich | 4,630.50 mi (7,452.08 km) |
| Enid to Irlam | 4,453.30 mi (7,166.89 km) |
| Enid to Irthlingborough | 4,556.33 mi (7,332.71 km) |
| Enid to Irvine | 4,306.53 mi (6,930.69 km) |
| Enid to Islington | 4,601.73 mi (7,405.77 km) |
