| Thornton Heath to Jacksonville (Texas) | 4,734.21 mi (7,618.98 km) |
| Thornton Heath to Jacksonville Beach (Florida) | 4,256.36 mi (6,849.95 km) |
| Thornton Heath to James Island (South Carolina) | 4,075.43 mi (6,558.78 km) |
| Thornton Heath to Jamestown (New York) | 3,615.00 mi (5,817.79 km) |
| Thornton Heath to Jamestown (North Dakota) | 4,113.20 mi (6,619.56 km) |
| Thornton Heath to Janesville (Wisconsin) | 3,966.68 mi (6,383.76 km) |
| Thornton Heath to Jasmine Estates (Florida) | 4,408.84 mi (7,095.34 km) |
| Thornton Heath to Jasper (Alabama) | 4,321.75 mi (6,955.18 km) |
| Thornton Heath to Jasper (Indiana) | 4,088.70 mi (6,580.12 km) |
| Thornton Heath to Jefferson (Georgia) | 4,158.90 mi (6,693.10 km) |
| Thornton Heath to Jefferson (Louisiana) | 4,633.01 mi (7,456.10 km) |
| Thornton Heath to Jefferson City (Missouri) | 4,283.06 mi (6,892.91 km) |
| Thornton Heath to Jefferson Hills (Pennsylvania) | 3,722.77 mi (5,991.22 km) |
| Thornton Heath to Jefferson Valley-Yorktown (New York) | 3,429.92 mi (5,519.93 km) |
| Thornton Heath to Jeffersontown (Kentucky) | 4,043.60 mi (6,507.54 km) |
