| Harker Heights to Ickenham | 4,856.19 mi (7,815.28 km) |
| Harker Heights to Ifield | 4,878.56 mi (7,851.28 km) |
| Harker Heights to Ilford | 4,876.89 mi (7,848.59 km) |
| Harker Heights to Ilfracombe | 4,721.80 mi (7,599.00 km) |
| Harker Heights to Ilkeston | 4,782.03 mi (7,695.94 km) |
| Harker Heights to Ilkley | 4,735.90 mi (7,621.69 km) |
| Harker Heights to Immingham | 4,804.42 mi (7,731.97 km) |
| Harker Heights to Ince-in-Makerfield | 4,717.36 mi (7,591.87 km) |
| Harker Heights to Inverness | 4,556.77 mi (7,333.41 km) |
| Harker Heights to Inverurie | 4,625.75 mi (7,444.42 km) |
| Harker Heights to Ipswich | 4,902.65 mi (7,890.06 km) |
| Harker Heights to Irlam | 4,726.65 mi (7,606.81 km) |
| Harker Heights to Irthlingborough | 4,827.20 mi (7,768.64 km) |
| Harker Heights to Irvine | 4,586.72 mi (7,381.61 km) |
| Harker Heights to Islington | 4,870.00 mi (7,837.51 km) |
