| Los Alamos to Johnstown (Pennsylvania) | 1,512.62 mi (2,434.32 km) |
| Los Alamos to Joliet (Illinois) | 1,049.74 mi (1,689.40 km) |
| Los Alamos to Jonesboro (Arkansas) | 873.06 mi (1,405.06 km) |
| Los Alamos to Joplin (Missouri) | 659.30 mi (1,061.04 km) |
| Los Alamos to Joppatowne (Maryland) | 1,647.77 mi (2,651.83 km) |
| Los Alamos to Juana Díaz (Puerto Rico) | 2,716.87 mi (4,372.38 km) |
| Los Alamos to Junction City (Kansas) | 560.62 mi (902.23 km) |
| Los Alamos to Juneau (Alaska) | 2,006.77 mi (3,229.58 km) |
| Los Alamos to Jupiter (Florida) | 1,656.76 mi (2,666.30 km) |
| Los Alamos to Jupiter Farms (Florida) | 1,650.94 mi (2,656.94 km) |
| Los Alamos to Jurupa Valley (California) | 646.38 mi (1,040.24 km) |
| Los Alamos to Justice (Illinois) | 1,069.79 mi (1,721.66 km) |
| Los Alamos to Kahului (Hawaii) | 3,183.72 mi (5,123.71 km) |
| Los Alamos to Kailua (Hawaii) | 3,237.16 mi (5,209.70 km) |
| Los Alamos to Kalamazoo (Michigan) | 1,190.61 mi (1,916.10 km) |
