| Lemon Grove to Johnstown (Pennsylvania) | 2,162.40 mi (3,480.04 km) |
| Lemon Grove to Joliet (Illinois) | 1,693.26 mi (2,725.04 km) |
| Lemon Grove to Jonesboro (Arkansas) | 1,515.11 mi (2,438.33 km) |
| Lemon Grove to Joplin (Missouri) | 1,308.18 mi (2,105.32 km) |
| Lemon Grove to Joppatowne (Maryland) | 2,298.33 mi (3,698.80 km) |
| Lemon Grove to Juana Díaz (Puerto Rico) | 3,279.87 mi (5,278.44 km) |
| Lemon Grove to Junction City (Kansas) | 1,207.48 mi (1,943.25 km) |
| Lemon Grove to Juneau (Alaska) | 1,947.88 mi (3,134.80 km) |
| Lemon Grove to Jupiter (Florida) | 2,237.78 mi (3,601.36 km) |
| Lemon Grove to Jupiter Farms (Florida) | 2,231.56 mi (3,591.35 km) |
| Lemon Grove to Jurupa Valley (California) | 91.15 mi (146.69 km) |
| Lemon Grove to Justice (Illinois) | 1,712.44 mi (2,755.90 km) |
| Lemon Grove to Kahului (Hawaii) | 2,548.85 mi (4,101.98 km) |
| Lemon Grove to Kailua (Hawaii) | 2,606.35 mi (4,194.51 km) |
| Lemon Grove to Kalamazoo (Michigan) | 1,832.61 mi (2,949.30 km) |
