| Fallbrook to Kaneohe (Hawaii) | 2,603.54 mi (4,190.00 km) |
| Fallbrook to Kankakee (Illinois) | 1,691.78 mi (2,722.66 km) |
| Fallbrook to Kannapolis (North Carolina) | 2,078.34 mi (3,344.76 km) |
| Fallbrook to Kansas City (Kansas) | 1,310.29 mi (2,108.70 km) |
| Fallbrook to Kansas City (Missouri) | 1,320.31 mi (2,124.84 km) |
| Fallbrook to Kapaa (Hawaii) | 2,671.67 mi (4,299.64 km) |
| Fallbrook to Kapolei (Hawaii) | 2,621.50 mi (4,218.89 km) |
| Fallbrook to Katy (Texas) | 1,280.71 mi (2,061.11 km) |
| Fallbrook to Kaukauna (Wisconsin) | 1,719.37 mi (2,767.06 km) |
| Fallbrook to Kaysville (Utah) | 603.47 mi (971.19 km) |
| Fallbrook to Kearney (Missouri) | 1,333.49 mi (2,146.05 km) |
| Fallbrook to Kearney (Nebraska) | 1,118.56 mi (1,800.14 km) |
| Fallbrook to Kearns (Utah) | 579.39 mi (932.44 km) |
| Fallbrook to Kearny (New Jersey) | 2,405.81 mi (3,871.77 km) |
| Fallbrook to Keene (New Hampshire) | 2,497.09 mi (4,018.68 km) |
