| Altadena to Ickenham | 5,416.33 mi (8,716.74 km) |
| Altadena to Ifield | 5,444.08 mi (8,761.40 km) |
| Altadena to Ilford | 5,433.46 mi (8,744.31 km) |
| Altadena to Ilfracombe | 5,311.35 mi (8,547.79 km) |
| Altadena to Ilkeston | 5,324.65 mi (8,569.20 km) |
| Altadena to Ilkley | 5,265.79 mi (8,474.47 km) |
| Altadena to Immingham | 5,329.39 mi (8,576.83 km) |
| Altadena to Ince-in-Makerfield | 5,258.55 mi (8,462.81 km) |
| Altadena to Inverness | 5,038.67 mi (8,108.95 km) |
| Altadena to Inverurie | 5,100.99 mi (8,209.24 km) |
| Altadena to Ipswich | 5,443.91 mi (8,761.12 km) |
| Altadena to Irlam | 5,268.35 mi (8,478.58 km) |
| Altadena to Irthlingborough | 5,375.98 mi (8,651.81 km) |
| Altadena to Irvine | 5,104.15 mi (8,214.34 km) |
| Altadena to Islington | 5,428.06 mi (8,735.61 km) |
