| San Gwann to Jacksonville (Texas) | 5,907.70 mi (9,507.53 km) |
| San Gwann to Jacksonville Beach (Florida) | 5,323.96 mi (8,568.09 km) |
| San Gwann to James Island (South Carolina) | 5,157.98 mi (8,300.96 km) |
| San Gwann to Jamestown (New York) | 4,784.90 mi (7,700.54 km) |
| San Gwann to Jamestown (North Dakota) | 5,378.61 mi (8,656.04 km) |
| San Gwann to Janesville (Wisconsin) | 5,182.38 mi (8,340.24 km) |
| San Gwann to Jasmine Estates (Florida) | 5,465.72 mi (8,796.23 km) |
| San Gwann to Jasper (Alabama) | 5,462.73 mi (8,791.42 km) |
| San Gwann to Jasper (Indiana) | 5,264.74 mi (8,472.79 km) |
| San Gwann to Jefferson (Georgia) | 5,279.72 mi (8,496.89 km) |
| San Gwann to Jefferson (Louisiana) | 5,759.65 mi (9,269.25 km) |
| San Gwann to Jefferson City (Missouri) | 5,485.20 mi (8,827.57 km) |
| San Gwann to Jefferson Hills (Pennsylvania) | 4,879.64 mi (7,853.02 km) |
| San Gwann to Jefferson Valley-Yorktown (New York) | 4,565.52 mi (7,347.50 km) |
| San Gwann to Jeffersontown (Kentucky) | 5,211.20 mi (8,386.62 km) |
