| Diamond Bar to Kidricevo | 6,176.24 mi (9,939.69 km) |
| Diamond Bar to Kobarid | 6,120.21 mi (9,849.52 km) |
| Diamond Bar to Kobilje | 6,177.79 mi (9,942.20 km) |
| Diamond Bar to Kocevje | 6,190.97 mi (9,963.40 km) |
| Diamond Bar to Komen | 6,148.66 mi (9,895.32 km) |
| Diamond Bar to Komenda | 6,150.70 mi (9,898.59 km) |
| Diamond Bar to Koper | 6,162.55 mi (9,917.67 km) |
| Diamond Bar to Kostanjevica na Krki | 6,196.35 mi (9,972.06 km) |
| Diamond Bar to Kostel | 6,199.81 mi (9,977.63 km) |
| Diamond Bar to Kozje | 6,187.69 mi (9,958.12 km) |
| Diamond Bar to Kranj | 6,144.22 mi (9,888.17 km) |
| Diamond Bar to Kranjska Gora | 6,113.46 mi (9,838.66 km) |
| Diamond Bar to Krizevci | 6,177.27 mi (9,941.35 km) |
| Diamond Bar to Krsko | 6,192.33 mi (9,965.59 km) |
| Diamond Bar to Kuzma | 6,160.69 mi (9,914.68 km) |
