| Grass Valley to Joliet (Illinois) | 1,728.72 mi (2,782.11 km) |
| Grass Valley to Jonesboro (Arkansas) | 1,672.98 mi (2,692.40 km) |
| Grass Valley to Joplin (Missouri) | 1,445.03 mi (2,325.55 km) |
| Grass Valley to Joppatowne (Maryland) | 2,364.17 mi (3,804.77 km) |
| Grass Valley to Juana Díaz (Puerto Rico) | 3,554.95 mi (5,721.13 km) |
| Grass Valley to Junction City (Kansas) | 1,293.39 mi (2,081.50 km) |
| Grass Valley to Juneau (Alaska) | 1,450.55 mi (2,334.44 km) |
| Grass Valley to Jupiter (Florida) | 2,493.67 mi (4,013.17 km) |
| Grass Valley to Jupiter Farms (Florida) | 2,487.96 mi (4,003.98 km) |
| Grass Valley to Jurupa Valley (California) | 411.82 mi (662.77 km) |
| Grass Valley to Justice (Illinois) | 1,743.38 mi (2,805.70 km) |
| Grass Valley to Kahului (Hawaii) | 2,445.00 mi (3,934.85 km) |
| Grass Valley to Kailua (Hawaii) | 2,486.98 mi (4,002.41 km) |
| Grass Valley to Kalamazoo (Michigan) | 1,854.72 mi (2,984.89 km) |
| Grass Valley to Kalispell (Montana) | 705.54 mi (1,135.46 km) |
