| Maryport to Jacksonville (Texas) | 4,515.60 mi (7,267.16 km) |
| Maryport to Jacksonville Beach (Florida) | 4,071.91 mi (6,553.11 km) |
| Maryport to James Island (South Carolina) | 3,887.88 mi (6,256.94 km) |
| Maryport to Jamestown (New York) | 3,402.77 mi (5,476.22 km) |
| Maryport to Jamestown (North Dakota) | 3,863.98 mi (6,218.47 km) |
| Maryport to Janesville (Wisconsin) | 3,736.99 mi (6,014.10 km) |
| Maryport to Jasmine Estates (Florida) | 4,226.38 mi (6,801.70 km) |
| Maryport to Jasper (Alabama) | 4,115.00 mi (6,622.45 km) |
| Maryport to Jasper (Indiana) | 3,871.99 mi (6,231.37 km) |
| Maryport to Jefferson (Georgia) | 3,959.24 mi (6,371.78 km) |
| Maryport to Jefferson (Louisiana) | 4,428.96 mi (7,127.72 km) |
| Maryport to Jefferson City (Missouri) | 4,056.93 mi (6,529.00 km) |
| Maryport to Jefferson Hills (Pennsylvania) | 3,514.28 mi (5,655.68 km) |
| Maryport to Jefferson Valley-Yorktown (New York) | 3,230.42 mi (5,198.86 km) |
| Maryport to Jeffersontown (Kentucky) | 3,829.86 mi (6,163.56 km) |
