| Diamond Bar to Jicin | 5,941.73 mi (9,562.29 km) |
| Diamond Bar to Jihlava | 6,005.19 mi (9,664.42 km) |
| Diamond Bar to Jindrichuv Hradec | 6,003.22 mi (9,661.24 km) |
| Diamond Bar to Jirkov | 5,886.73 mi (9,473.78 km) |
| Diamond Bar to Kadan | 5,888.54 mi (9,476.69 km) |
| Diamond Bar to Karlovy Vary | 5,885.28 mi (9,471.45 km) |
| Diamond Bar to Karvina | 6,057.53 mi (9,748.64 km) |
| Diamond Bar to Kladno | 5,923.55 mi (9,533.04 km) |
| Diamond Bar to Klasterec nad Ohri | 5,885.32 mi (9,471.50 km) |
| Diamond Bar to Klatovy | 5,942.00 mi (9,562.72 km) |
| Diamond Bar to Kolin | 5,960.12 mi (9,591.89 km) |
| Diamond Bar to Koprivnice | 6,061.71 mi (9,755.38 km) |
| Diamond Bar to Kralupy nad Vltavou | 5,924.38 mi (9,534.38 km) |
| Diamond Bar to Kraluv Dvur | 5,932.62 mi (9,547.62 km) |
| Diamond Bar to Krnov | 6,022.54 mi (9,692.33 km) |
