| Pembroke Dock to Jeffersonville (Indiana) | 3,842.18 mi (6,183.38 km) |
| Pembroke Dock to Jenison (Michigan) | 3,640.24 mi (5,858.40 km) |
| Pembroke Dock to Jenks (Oklahoma) | 4,360.74 mi (7,017.93 km) |
| Pembroke Dock to Jennings (Missouri) | 4,005.41 mi (6,446.09 km) |
| Pembroke Dock to Jensen Beach (Florida) | 4,149.72 mi (6,678.32 km) |
| Pembroke Dock to Jericho (New York) | 3,237.13 mi (5,209.66 km) |
| Pembroke Dock to Jerome (Idaho) | 4,676.20 mi (7,525.62 km) |
| Pembroke Dock to Jersey City (New Jersey) | 3,261.85 mi (5,249.44 km) |
| Pembroke Dock to Jessup (Maryland) | 3,441.63 mi (5,538.77 km) |
| Pembroke Dock to Johns Creek (Georgia) | 3,983.96 mi (6,411.56 km) |
| Pembroke Dock to Johnson City (New York) | 3,280.39 mi (5,279.27 km) |
| Pembroke Dock to Johnson City (Tennessee) | 3,799.88 mi (6,115.32 km) |
| Pembroke Dock to Johnston (Iowa) | 3,998.67 mi (6,435.23 km) |
| Pembroke Dock to Johnstown (Colorado) | 4,476.25 mi (7,203.82 km) |
| Pembroke Dock to Johnstown (Pennsylvania) | 3,477.91 mi (5,597.16 km) |
