| Billings to Ickenham | 4,473.26 mi (7,199.01 km) |
| Billings to Ifield | 4,501.35 mi (7,244.23 km) |
| Billings to Ilford | 4,490.06 mi (7,226.05 km) |
| Billings to Ilfracombe | 4,371.51 mi (7,035.26 km) |
| Billings to Ilkeston | 4,380.58 mi (7,049.86 km) |
| Billings to Ilkley | 4,321.08 mi (6,954.10 km) |
| Billings to Immingham | 4,384.26 mi (7,055.78 km) |
| Billings to Ince-in-Makerfield | 4,314.57 mi (6,943.63 km) |
| Billings to Inverness | 4,092.36 mi (6,586.01 km) |
| Billings to Inverurie | 4,154.47 mi (6,685.97 km) |
| Billings to Ipswich | 4,499.42 mi (7,241.12 km) |
| Billings to Irlam | 4,324.38 mi (6,959.42 km) |
| Billings to Irthlingborough | 4,432.19 mi (7,132.92 km) |
| Billings to Irvine | 4,159.14 mi (6,693.49 km) |
| Billings to Islington | 4,484.78 mi (7,217.56 km) |
