| Diamond Bar to Koscian | 5,884.40 mi (9,470.02 km) |
| Diamond Bar to Koscielisko | 6,124.02 mi (9,855.66 km) |
| Diamond Bar to Koscierzyna | 5,803.20 mi (9,339.35 km) |
| Diamond Bar to Kostrzyn | 5,881.37 mi (9,465.15 km) |
| Diamond Bar to Kostrzyn nad Odra | 5,806.00 mi (9,343.86 km) |
| Diamond Bar to Koszalin | 5,755.53 mi (9,262.63 km) |
| Diamond Bar to Kowary | 5,934.93 mi (9,551.34 km) |
| Diamond Bar to Kozienice | 6,031.92 mi (9,707.43 km) |
| Diamond Bar to Kozuchow | 5,876.02 mi (9,456.55 km) |
| Diamond Bar to Kozy | 6,072.21 mi (9,772.29 km) |
| Diamond Bar to Krakow | 6,080.75 mi (9,786.02 km) |
| Diamond Bar to Krapkowice | 6,008.24 mi (9,669.33 km) |
| Diamond Bar to Krasnik | 6,085.87 mi (9,794.26 km) |
| Diamond Bar to Krasnystaw | 6,104.15 mi (9,823.68 km) |
| Diamond Bar to Krosno | 6,146.82 mi (9,892.35 km) |
