| Northampton to Jacksonville (Texas) | 4,680.01 mi (7,531.75 km) |
| Northampton to Jacksonville Beach (Florida) | 4,210.38 mi (6,775.95 km) |
| Northampton to James Island (South Carolina) | 4,028.64 mi (6,483.48 km) |
| Northampton to Jamestown (New York) | 3,562.11 mi (5,732.67 km) |
| Northampton to Jamestown (North Dakota) | 4,051.47 mi (6,520.21 km) |
| Northampton to Janesville (Wisconsin) | 3,909.66 mi (6,291.99 km) |
| Northampton to Jasmine Estates (Florida) | 4,363.39 mi (7,022.19 km) |
| Northampton to Jasper (Alabama) | 4,270.35 mi (6,872.47 km) |
| Northampton to Jasper (Indiana) | 4,034.84 mi (6,493.45 km) |
| Northampton to Jefferson (Georgia) | 4,109.19 mi (6,613.11 km) |
| Northampton to Jefferson (Louisiana) | 4,582.34 mi (7,374.57 km) |
| Northampton to Jefferson City (Missouri) | 4,226.95 mi (6,802.61 km) |
| Northampton to Jefferson Hills (Pennsylvania) | 3,670.81 mi (5,907.60 km) |
| Northampton to Jefferson Valley-Yorktown (New York) | 3,380.04 mi (5,439.65 km) |
| Northampton to Jeffersontown (Kentucky) | 3,990.45 mi (6,422.00 km) |
