| Fallbrook to Joliet (Illinois) | 1,681.90 mi (2,706.76 km) |
| Fallbrook to Jonesboro (Arkansas) | 1,514.70 mi (2,437.67 km) |
| Fallbrook to Joplin (Missouri) | 1,304.63 mi (2,099.59 km) |
| Fallbrook to Joppatowne (Maryland) | 2,291.44 mi (3,687.71 km) |
| Fallbrook to Juana Díaz (Puerto Rico) | 3,295.03 mi (5,302.84 km) |
| Fallbrook to Junction City (Kansas) | 1,198.31 mi (1,928.49 km) |
| Fallbrook to Juneau (Alaska) | 1,902.71 mi (3,062.12 km) |
| Fallbrook to Jupiter (Florida) | 2,249.59 mi (3,620.36 km) |
| Fallbrook to Jupiter Farms (Florida) | 2,243.41 mi (3,610.43 km) |
| Fallbrook to Jurupa Valley (California) | 45.86 mi (73.80 km) |
| Fallbrook to Justice (Illinois) | 1,700.74 mi (2,737.08 km) |
| Fallbrook to Kahului (Hawaii) | 2,544.90 mi (4,095.63 km) |
| Fallbrook to Kailua (Hawaii) | 2,601.09 mi (4,186.05 km) |
| Fallbrook to Kalamazoo (Michigan) | 1,820.54 mi (2,929.88 km) |
| Fallbrook to Kalispell (Montana) | 1,036.70 mi (1,668.41 km) |
