| Duncan to Koscian | 5,271.91 mi (8,484.32 km) |
| Duncan to Koscielisko | 5,505.52 mi (8,860.27 km) |
| Duncan to Koscierzyna | 5,224.42 mi (8,407.88 km) |
| Duncan to Kostrzyn | 5,276.81 mi (8,492.20 km) |
| Duncan to Kostrzyn nad Odra | 5,184.80 mi (8,344.13 km) |
| Duncan to Koszalin | 5,164.53 mi (8,311.50 km) |
| Duncan to Kowary | 5,301.36 mi (8,531.71 km) |
| Duncan to Kozienice | 5,452.38 mi (8,774.75 km) |
| Duncan to Kozuchow | 5,251.80 mi (8,451.96 km) |
| Duncan to Kozy | 5,454.14 mi (8,777.59 km) |
| Duncan to Krakow | 5,471.20 mi (8,805.05 km) |
| Duncan to Krapkowice | 5,387.43 mi (8,670.23 km) |
| Duncan to Krasnik | 5,504.43 mi (8,858.53 km) |
| Duncan to Krasnystaw | 5,531.54 mi (8,902.15 km) |
| Duncan to Krosno | 5,548.18 mi (8,928.94 km) |
