| Diamond Bar to Jacksonville (Texas) | 1,312.09 mi (2,111.61 km) |
| Diamond Bar to Jacksonville Beach (Florida) | 2,134.57 mi (3,435.25 km) |
| Diamond Bar to James Island (South Carolina) | 2,174.90 mi (3,500.16 km) |
| Diamond Bar to Jamestown (New York) | 2,152.63 mi (3,464.33 km) |
| Diamond Bar to Jamestown (North Dakota) | 1,337.34 mi (2,152.24 km) |
| Diamond Bar to Janesville (Wisconsin) | 1,662.22 mi (2,675.09 km) |
| Diamond Bar to Jasmine Estates (Florida) | 2,103.61 mi (3,385.44 km) |
| Diamond Bar to Jasper (Alabama) | 1,744.64 mi (2,807.73 km) |
| Diamond Bar to Jasper (Indiana) | 1,739.78 mi (2,799.90 km) |
| Diamond Bar to Jefferson (Georgia) | 1,948.91 mi (3,136.47 km) |
| Diamond Bar to Jefferson (Louisiana) | 1,639.81 mi (2,639.02 km) |
| Diamond Bar to Jefferson City (Missouri) | 1,457.43 mi (2,345.51 km) |
| Diamond Bar to Jefferson Hills (Pennsylvania) | 2,114.48 mi (3,402.92 km) |
| Diamond Bar to Jefferson Valley-Yorktown (New York) | 2,433.21 mi (3,915.87 km) |
| Diamond Bar to Jeffersontown (Kentucky) | 1,814.10 mi (2,919.51 km) |
