| Columbia Heights to Ickenham | 3,993.71 mi (6,427.25 km) |
| Columbia Heights to Ifield | 4,019.02 mi (6,467.98 km) |
| Columbia Heights to Ilford | 4,012.83 mi (6,458.02 km) |
| Columbia Heights to Ilfracombe | 3,873.27 mi (6,233.43 km) |
| Columbia Heights to Ilkeston | 3,910.16 mi (6,292.79 km) |
| Columbia Heights to Ilkley | 3,857.47 mi (6,208.00 km) |
| Columbia Heights to Immingham | 3,924.41 mi (6,315.73 km) |
| Columbia Heights to Ince-in-Makerfield | 3,844.12 mi (6,186.52 km) |
| Columbia Heights to Inverness | 3,655.06 mi (5,882.24 km) |
| Columbia Heights to Inverurie | 3,722.02 mi (5,990.01 km) |
| Columbia Heights to Ipswich | 4,031.35 mi (6,487.83 km) |
| Columbia Heights to Irlam | 3,853.76 mi (6,202.02 km) |
| Columbia Heights to Irthlingborough | 3,958.79 mi (6,371.06 km) |
| Columbia Heights to Irvine | 3,700.92 mi (5,956.06 km) |
| Columbia Heights to Islington | 4,006.61 mi (6,448.02 km) |
