| Cedar Rapids to Isny im Allgau | 4,620.02 mi (7,435.20 km) |
| Cedar Rapids to Isselburg | 4,323.29 mi (6,957.66 km) |
| Cedar Rapids to Issum | 4,333.13 mi (6,973.50 km) |
| Cedar Rapids to Itzehoe | 4,346.32 mi (6,994.72 km) |
| Cedar Rapids to Jena | 4,539.04 mi (7,304.87 km) |
| Cedar Rapids to Jever | 4,305.69 mi (6,929.33 km) |
| Cedar Rapids to Jork | 4,367.37 mi (7,028.60 km) |
| Cedar Rapids to Juchen | 4,352.92 mi (7,005.35 km) |
| Cedar Rapids to Julich | 4,354.74 mi (7,008.28 km) |
| Cedar Rapids to Juterbog | 4,544.64 mi (7,313.90 km) |
| Cedar Rapids to Kaarst | 4,352.54 mi (7,004.73 km) |
| Cedar Rapids to Kaiserslautern | 4,464.42 mi (7,184.80 km) |
| Cedar Rapids to Kalkar | 4,320.75 mi (6,953.57 km) |
| Cedar Rapids to Kall | 4,376.20 mi (7,042.81 km) |
| Cedar Rapids to Kaltenkirchen | 4,364.49 mi (7,023.97 km) |
