| Rancho San Diego to Johnstown (Pennsylvania) | 2,155.50 mi (3,468.95 km) |
| Rancho San Diego to Joliet (Illinois) | 1,686.46 mi (2,714.09 km) |
| Rancho San Diego to Jonesboro (Arkansas) | 1,508.14 mi (2,427.12 km) |
| Rancho San Diego to Joplin (Missouri) | 1,301.23 mi (2,094.12 km) |
| Rancho San Diego to Joppatowne (Maryland) | 2,291.41 mi (3,687.66 km) |
| Rancho San Diego to Juana Díaz (Puerto Rico) | 3,273.42 mi (5,268.05 km) |
| Rancho San Diego to Junction City (Kansas) | 1,200.62 mi (1,932.21 km) |
| Rancho San Diego to Juneau (Alaska) | 1,948.15 mi (3,135.24 km) |
| Rancho San Diego to Jupiter (Florida) | 2,231.13 mi (3,590.66 km) |
| Rancho San Diego to Jupiter Farms (Florida) | 2,224.92 mi (3,580.66 km) |
| Rancho San Diego to Jurupa Valley (California) | 91.29 mi (146.92 km) |
| Rancho San Diego to Justice (Illinois) | 1,705.65 mi (2,744.97 km) |
| Rancho San Diego to Kahului (Hawaii) | 2,555.74 mi (4,113.07 km) |
| Rancho San Diego to Kailua (Hawaii) | 2,613.21 mi (4,205.55 km) |
| Rancho San Diego to Kalamazoo (Michigan) | 1,825.83 mi (2,938.39 km) |
