| La Crescenta-Montrose to Johnstown (Pennsylvania) | 2,183.63 mi (3,514.22 km) |
| La Crescenta-Montrose to Joliet (Illinois) | 1,706.42 mi (2,746.21 km) |
| La Crescenta-Montrose to Jonesboro (Arkansas) | 1,557.84 mi (2,507.10 km) |
| La Crescenta-Montrose to Joplin (Missouri) | 1,343.27 mi (2,161.78 km) |
| La Crescenta-Montrose to Joppatowne (Maryland) | 2,322.98 mi (3,738.48 km) |
| La Crescenta-Montrose to Juana Díaz (Puerto Rico) | 3,358.60 mi (5,405.14 km) |
| La Crescenta-Montrose to Junction City (Kansas) | 1,227.88 mi (1,976.08 km) |
| La Crescenta-Montrose to Juneau (Alaska) | 1,827.45 mi (2,940.99 km) |
| La Crescenta-Montrose to Jupiter (Florida) | 2,309.34 mi (3,716.52 km) |
| La Crescenta-Montrose to Jupiter Farms (Florida) | 2,303.22 mi (3,706.68 km) |
| La Crescenta-Montrose to Jurupa Valley (California) | 46.57 mi (74.94 km) |
| La Crescenta-Montrose to Justice (Illinois) | 1,724.62 mi (2,775.51 km) |
| La Crescenta-Montrose to Kahului (Hawaii) | 2,498.92 mi (4,021.62 km) |
| La Crescenta-Montrose to Kailua (Hawaii) | 2,553.05 mi (4,108.74 km) |
| La Crescenta-Montrose to Kalamazoo (Michigan) | 1,843.53 mi (2,966.88 km) |
