| Pembroke Dock to Jacksonville (Texas) | 4,535.09 mi (7,298.51 km) |
| Pembroke Dock to Jacksonville Beach (Florida) | 4,048.97 mi (6,516.18 km) |
| Pembroke Dock to James Island (South Carolina) | 3,868.50 mi (6,225.74 km) |
| Pembroke Dock to Jamestown (New York) | 3,414.15 mi (5,494.54 km) |
| Pembroke Dock to Jamestown (North Dakota) | 3,935.02 mi (6,332.80 km) |
| Pembroke Dock to Janesville (Wisconsin) | 3,773.37 mi (6,072.65 km) |
| Pembroke Dock to Jasmine Estates (Florida) | 4,201.18 mi (6,761.14 km) |
| Pembroke Dock to Jasper (Alabama) | 4,118.77 mi (6,628.53 km) |
| Pembroke Dock to Jasper (Indiana) | 3,889.18 mi (6,259.03 km) |
| Pembroke Dock to Jefferson (Georgia) | 3,954.18 mi (6,363.63 km) |
| Pembroke Dock to Jefferson (Louisiana) | 4,429.17 mi (7,128.06 km) |
| Pembroke Dock to Jefferson City (Missouri) | 4,087.59 mi (6,578.35 km) |
| Pembroke Dock to Jefferson Hills (Pennsylvania) | 3,520.62 mi (5,665.90 km) |
| Pembroke Dock to Jefferson Valley-Yorktown (New York) | 3,225.50 mi (5,190.94 km) |
| Pembroke Dock to Jeffersontown (Kentucky) | 3,843.00 mi (6,184.72 km) |
