| Duncan to Kavak | 6,450.27 mi (10,380.71 km) |
| Duncan to Kayapinar | 6,754.50 mi (10,870.32 km) |
| Duncan to Kayseri | 6,563.06 mi (10,562.22 km) |
| Duncan to Kemalpasa | 6,300.88 mi (10,140.28 km) |
| Duncan to Kemer | 6,509.05 mi (10,475.31 km) |
| Duncan to Keskin | 6,449.85 mi (10,380.03 km) |
| Duncan to Kilimli | 6,293.83 mi (10,128.95 km) |
| Duncan to Kilis | 6,727.43 mi (10,826.75 km) |
| Duncan to Kinik | 6,265.38 mi (10,083.15 km) |
| Duncan to Kirikkale | 6,437.42 mi (10,360.02 km) |
| Duncan to Kirkagac | 6,275.42 mi (10,099.31 km) |
| Duncan to Kirklareli | 6,125.06 mi (9,857.33 km) |
| Duncan to Kirsehir | 6,496.55 mi (10,455.19 km) |
| Duncan to Kizilpinar | 6,174.77 mi (9,937.33 km) |
| Duncan to Kiziltepe | 6,809.44 mi (10,958.74 km) |
