| Alpena to Ickenham | 3,630.61 mi (5,842.90 km) |
| Alpena to Ifield | 3,653.98 mi (5,880.51 km) |
| Alpena to Ilford | 3,650.86 mi (5,875.49 km) |
| Alpena to Ilfracombe | 3,500.69 mi (5,633.81 km) |
| Alpena to Ilkeston | 3,553.54 mi (5,718.86 km) |
| Alpena to Ilkley | 3,505.64 mi (5,641.78 km) |
| Alpena to Immingham | 3,573.90 mi (5,751.64 km) |
| Alpena to Ince-in-Makerfield | 3,488.38 mi (5,614.01 km) |
| Alpena to Inverness | 3,322.33 mi (5,346.77 km) |
| Alpena to Inverurie | 3,391.17 mi (5,457.56 km) |
| Alpena to Ipswich | 3,674.54 mi (5,913.59 km) |
| Alpena to Irlam | 3,497.78 mi (5,629.13 km) |
| Alpena to Irthlingborough | 3,599.77 mi (5,793.27 km) |
| Alpena to Irvine | 3,354.64 mi (5,398.77 km) |
| Alpena to Islington | 3,644.17 mi (5,864.72 km) |
