| Diamond Bar to Karditsa | 6,751.99 mi (10,866.28 km) |
| Diamond Bar to Kastoria | 6,666.59 mi (10,728.83 km) |
| Diamond Bar to Katerini | 6,716.17 mi (10,808.64 km) |
| Diamond Bar to Keratsini | 6,882.70 mi (11,076.64 km) |
| Diamond Bar to Kerkyra | 6,678.54 mi (10,748.07 km) |
| Diamond Bar to Kiato | 6,855.17 mi (11,032.33 km) |
| Diamond Bar to Kifisia | 6,881.53 mi (11,074.75 km) |
| Diamond Bar to Kilkis | 6,684.44 mi (10,757.57 km) |
| Diamond Bar to Komotini | 6,745.96 mi (10,856.57 km) |
| Diamond Bar to Korinthos | 6,864.52 mi (11,047.37 km) |
| Diamond Bar to Koropi | 6,893.94 mi (11,094.72 km) |
| Diamond Bar to Korydallos | 6,882.67 mi (11,076.59 km) |
| Diamond Bar to Kos | 7,049.52 mi (11,345.11 km) |
| Diamond Bar to Kozani | 6,693.93 mi (10,772.84 km) |
| Diamond Bar to Lagos | 6,737.69 mi (10,843.26 km) |
