| Altus to Ickenham | 4,732.28 mi (7,615.87 km) |
| Altus to Ifield | 4,756.04 mi (7,654.11 km) |
| Altus to Ilford | 4,752.31 mi (7,648.11 km) |
| Altus to Ilfracombe | 4,603.79 mi (7,409.09 km) |
| Altus to Ilkeston | 4,653.62 mi (7,489.28 km) |
| Altus to Ilkley | 4,604.30 mi (7,409.91 km) |
| Altus to Immingham | 4,672.23 mi (7,519.23 km) |
| Altus to Ince-in-Makerfield | 4,588.17 mi (7,383.94 km) |
| Altus to Inverness | 4,413.42 mi (7,102.72 km) |
| Altus to Inverurie | 4,481.51 mi (7,212.29 km) |
| Altus to Ipswich | 4,774.78 mi (7,684.27 km) |
| Altus to Irlam | 4,597.64 mi (7,399.18 km) |
| Altus to Irthlingborough | 4,700.51 mi (7,564.73 km) |
| Altus to Irvine | 4,451.28 mi (7,163.64 km) |
| Altus to Islington | 4,745.72 mi (7,637.49 km) |
