| Duncan to Karahalli | 6,382.11 mi (10,271.01 km) |
| Duncan to Karakocan | 6,691.76 mi (10,769.34 km) |
| Duncan to Karakopru | 6,754.53 mi (10,870.37 km) |
| Duncan to Karaman | 6,571.60 mi (10,575.96 km) |
| Duncan to Karapinar | 6,554.08 mi (10,547.77 km) |
| Duncan to Karatas | 6,678.69 mi (10,748.31 km) |
| Duncan to Karatepe | 6,271.20 mi (10,092.52 km) |
| Duncan to Karayilan | 6,698.51 mi (10,780.21 km) |
| Duncan to Kargipinar | 6,640.48 mi (10,686.82 km) |
| Duncan to Karkamis | 6,749.29 mi (10,861.93 km) |
| Duncan to Karliova | 6,700.55 mi (10,783.50 km) |
| Duncan to Kars | 6,682.91 mi (10,755.10 km) |
| Duncan to Kartal | 6,236.61 mi (10,036.85 km) |
| Duncan to Kas | 6,496.93 mi (10,455.80 km) |
| Duncan to Kastamonu | 6,362.46 mi (10,239.39 km) |
