| Prospect Heights to Kocaali | 5,538.02 mi (8,912.58 km) |
| Prospect Heights to Kocaeli | 5,520.82 mi (8,884.91 km) |
| Prospect Heights to Konak | 5,540.25 mi (8,916.18 km) |
| Prospect Heights to Konakli | 5,808.21 mi (9,347.42 km) |
| Prospect Heights to Konya | 5,761.81 mi (9,272.74 km) |
| Prospect Heights to Koprukoy | 5,953.62 mi (9,581.42 km) |
| Prospect Heights to Korfez | 5,513.32 mi (8,872.84 km) |
| Prospect Heights to Korkut | 6,021.06 mi (9,689.97 km) |
| Prospect Heights to Kose | 5,872.28 mi (9,450.52 km) |
| Prospect Heights to Kovancilar | 5,962.18 mi (9,595.20 km) |
| Prospect Heights to Koyulhisar | 5,809.62 mi (9,349.67 km) |
| Prospect Heights to Kozan | 5,898.73 mi (9,493.09 km) |
| Prospect Heights to Kozlu | 5,549.01 mi (8,930.26 km) |
| Prospect Heights to Kozluk | 6,042.85 mi (9,725.03 km) |
| Prospect Heights to Kucuk Dalyan | 5,978.29 mi (9,621.13 km) |
