| Royal Leamington Spa to Jacksonville (Texas) | 4,653.39 mi (7,488.91 km) |
| Royal Leamington Spa to Jacksonville Beach (Florida) | 4,182.91 mi (6,731.75 km) |
| Royal Leamington Spa to James Island (South Carolina) | 4,001.21 mi (6,439.32 km) |
| Royal Leamington Spa to Jamestown (New York) | 3,535.26 mi (5,689.46 km) |
| Royal Leamington Spa to Jamestown (North Dakota) | 4,027.27 mi (6,481.26 km) |
| Royal Leamington Spa to Janesville (Wisconsin) | 3,883.66 mi (6,250.15 km) |
| Royal Leamington Spa to Jasmine Estates (Florida) | 4,335.90 mi (6,977.96 km) |
| Royal Leamington Spa to Jasper (Alabama) | 4,243.31 mi (6,828.94 km) |
| Royal Leamington Spa to Jasper (Indiana) | 4,008.15 mi (6,450.50 km) |
| Royal Leamington Spa to Jefferson (Georgia) | 4,081.96 mi (6,569.28 km) |
| Royal Leamington Spa to Jefferson (Louisiana) | 4,555.21 mi (7,330.90 km) |
| Royal Leamington Spa to Jefferson City (Missouri) | 4,200.72 mi (6,760.41 km) |
| Royal Leamington Spa to Jefferson Hills (Pennsylvania) | 3,643.83 mi (5,864.18 km) |
| Royal Leamington Spa to Jefferson Valley-Yorktown (New York) | 3,352.82 mi (5,395.84 km) |
| Royal Leamington Spa to Jeffersontown (Kentucky) | 3,963.64 mi (6,378.87 km) |
