| Rapid City to Ickenham | 4,388.14 mi (7,062.03 km) |
| Rapid City to Ifield | 4,415.02 mi (7,105.28 km) |
| Rapid City to Ilford | 4,406.09 mi (7,090.91 km) |
| Rapid City to Ilfracombe | 4,277.19 mi (6,883.47 km) |
| Rapid City to Ilkeston | 4,299.42 mi (6,919.25 km) |
| Rapid City to Ilkley | 4,242.87 mi (6,828.25 km) |
| Rapid City to Immingham | 4,308.02 mi (6,933.09 km) |
| Rapid City to Ince-in-Makerfield | 4,233.17 mi (6,812.63 km) |
| Rapid City to Inverness | 4,025.29 mi (6,478.07 km) |
| Rapid City to Inverurie | 4,089.84 mi (6,581.97 km) |
| Rapid City to Ipswich | 4,419.77 mi (7,112.93 km) |
| Rapid City to Irlam | 4,242.93 mi (6,828.33 km) |
| Rapid City to Irthlingborough | 4,349.82 mi (7,000.36 km) |
| Rapid City to Irvine | 4,082.82 mi (6,570.66 km) |
| Rapid City to Islington | 4,400.35 mi (7,081.69 km) |
