| Placentia to Kingsville (Texas) | 1,264.19 mi (2,034.53 km) |
| Placentia to Kinston (North Carolina) | 2,276.64 mi (3,663.90 km) |
| Placentia to Kirkland (Washington) | 980.95 mi (1,578.68 km) |
| Placentia to Kirksville (Missouri) | 1,455.18 mi (2,341.89 km) |
| Placentia to Kirkwood (Missouri) | 1,556.99 mi (2,505.73 km) |
| Placentia to Kiryas Joel (New York) | 2,419.70 mi (3,894.13 km) |
| Placentia to Kissimmee (Florida) | 2,178.53 mi (3,506.00 km) |
| Placentia to Klamath Falls (Oregon) | 614.18 mi (988.42 km) |
| Placentia to Knightdale (North Carolina) | 2,220.99 mi (3,574.34 km) |
| Placentia to Knik-Fairview (Alaska) | 2,366.07 mi (3,807.82 km) |
| Placentia to Knoxville (Tennessee) | 1,916.53 mi (3,084.36 km) |
| Placentia to Kokomo (Indiana) | 1,794.43 mi (2,887.86 km) |
| Placentia to Kuna (Idaho) | 668.44 mi (1,075.74 km) |
| Placentia to Kyle (Texas) | 1,199.25 mi (1,930.00 km) |
| Placentia to La Cañada Flintridge (California) | 30.11 mi (48.46 km) |
