| Fallbrook to Kenosha (Wisconsin) | 1,709.80 mi (2,751.65 km) |
| Fallbrook to Kent (Ohio) | 2,028.52 mi (3,264.59 km) |
| Fallbrook to Kent (Washington) | 1,003.03 mi (1,614.21 km) |
| Fallbrook to Kentwood (Michigan) | 1,827.54 mi (2,941.13 km) |
| Fallbrook to Kerman (California) | 281.92 mi (453.70 km) |
| Fallbrook to Kernersville (North Carolina) | 2,104.56 mi (3,386.96 km) |
| Fallbrook to Kerrville (Texas) | 1,086.68 mi (1,748.85 km) |
| Fallbrook to Kettering (Maryland) | 2,269.81 mi (3,652.91 km) |
| Fallbrook to Kettering (Ohio) | 1,876.25 mi (3,019.53 km) |
| Fallbrook to Kewanee (Illinois) | 1,587.83 mi (2,555.36 km) |
| Fallbrook to Key Biscayne (Florida) | 2,277.61 mi (3,665.46 km) |
| Fallbrook to Key Largo (Florida) | 2,278.60 mi (3,667.05 km) |
| Fallbrook to Key West (Florida) | 2,215.66 mi (3,565.76 km) |
| Fallbrook to Keystone (Florida) | 2,077.93 mi (3,344.11 km) |
| Fallbrook to Kihei (Hawaii) | 2,547.53 mi (4,099.86 km) |
