| Cedar Rapids to Karditsa | 5,445.29 mi (8,763.35 km) |
| Cedar Rapids to Kastoria | 5,364.35 mi (8,633.08 km) |
| Cedar Rapids to Katerini | 5,421.95 mi (8,725.79 km) |
| Cedar Rapids to Keratsini | 5,578.58 mi (8,977.86 km) |
| Cedar Rapids to Kerkyra | 5,358.01 mi (8,622.89 km) |
| Cedar Rapids to Kiato | 5,544.08 mi (8,922.33 km) |
| Cedar Rapids to Kifisia | 5,580.09 mi (8,980.28 km) |
| Cedar Rapids to Kilkis | 5,399.49 mi (8,689.65 km) |
| Cedar Rapids to Komotini | 5,484.28 mi (8,826.09 km) |
| Cedar Rapids to Korinthos | 5,554.33 mi (8,938.82 km) |
| Cedar Rapids to Koropi | 5,591.47 mi (8,998.60 km) |
| Cedar Rapids to Korydallos | 5,578.98 mi (8,978.49 km) |
| Cedar Rapids to Kos | 5,768.60 mi (9,283.66 km) |
| Cedar Rapids to Kozani | 5,394.05 mi (8,680.89 km) |
| Cedar Rapids to Lagos | 5,472.21 mi (8,806.67 km) |
