| Rossmoor to Johnstown (Pennsylvania) | 2,187.52 mi (3,520.47 km) |
| Rossmoor to Joliet (Illinois) | 1,712.15 mi (2,755.44 km) |
| Rossmoor to Jonesboro (Arkansas) | 1,555.79 mi (2,503.80 km) |
| Rossmoor to Joplin (Missouri) | 1,343.11 mi (2,161.52 km) |
| Rossmoor to Joppatowne (Maryland) | 2,326.03 mi (3,743.38 km) |
| Rossmoor to Juana Díaz (Puerto Rico) | 3,346.78 mi (5,386.12 km) |
| Rossmoor to Junction City (Kansas) | 1,231.43 mi (1,981.79 km) |
| Rossmoor to Juneau (Alaska) | 1,859.32 mi (2,992.28 km) |
| Rossmoor to Jupiter (Florida) | 2,299.49 mi (3,700.67 km) |
| Rossmoor to Jupiter Farms (Florida) | 2,293.35 mi (3,690.78 km) |
| Rossmoor to Jurupa Valley (California) | 37.92 mi (61.03 km) |
| Rossmoor to Justice (Illinois) | 1,730.61 mi (2,785.15 km) |
| Rossmoor to Kahului (Hawaii) | 2,501.66 mi (4,026.04 km) |
| Rossmoor to Kailua (Hawaii) | 2,556.76 mi (4,114.71 km) |
| Rossmoor to Kalamazoo (Michigan) | 1,849.90 mi (2,977.13 km) |
