| Redding to Ickenham | 5,178.32 mi (8,333.70 km) |
| Redding to Ifield | 5,207.65 mi (8,380.90 km) |
| Redding to Ilford | 5,193.61 mi (8,358.32 km) |
| Redding to Ilfracombe | 5,087.90 mi (8,188.18 km) |
| Redding to Ilkeston | 5,081.62 mi (8,178.08 km) |
| Redding to Ilkley | 5,019.02 mi (8,077.33 km) |
| Redding to Immingham | 5,079.23 mi (8,174.22 km) |
| Redding to Ince-in-Makerfield | 5,016.45 mi (8,073.20 km) |
| Redding to Inverness | 4,778.43 mi (7,690.13 km) |
| Redding to Inverurie | 4,836.75 mi (7,784.00 km) |
| Redding to Ipswich | 5,197.65 mi (8,364.81 km) |
| Redding to Irlam | 5,026.23 mi (8,088.94 km) |
| Redding to Irthlingborough | 5,134.28 mi (8,262.82 km) |
| Redding to Irvine | 4,856.19 mi (7,815.28 km) |
| Redding to Islington | 5,188.94 mi (8,350.79 km) |
