| Pembroke Dock to Joliet (Illinois) | 3,792.89 mi (6,104.07 km) |
| Pembroke Dock to Jonesboro (Arkansas) | 4,160.90 mi (6,696.32 km) |
| Pembroke Dock to Joplin (Missouri) | 4,250.37 mi (6,840.32 km) |
| Pembroke Dock to Joppatowne (Maryland) | 3,412.23 mi (5,491.46 km) |
| Pembroke Dock to Juana Díaz (Puerto Rico) | 4,035.61 mi (6,494.69 km) |
| Pembroke Dock to Junction City (Kansas) | 4,244.92 mi (6,831.54 km) |
| Pembroke Dock to Juneau (Alaska) | 4,309.82 mi (6,935.99 km) |
| Pembroke Dock to Jupiter (Florida) | 4,160.37 mi (6,695.47 km) |
| Pembroke Dock to Jupiter Farms (Florida) | 4,164.77 mi (6,702.56 km) |
| Pembroke Dock to Jurupa Valley (California) | 5,250.98 mi (8,450.63 km) |
| Pembroke Dock to Justice (Illinois) | 3,770.14 mi (6,067.45 km) |
| Pembroke Dock to Kahului (Hawaii) | 7,135.14 mi (11,482.89 km) |
| Pembroke Dock to Kailua (Hawaii) | 7,125.32 mi (11,467.09 km) |
| Pembroke Dock to Kalamazoo (Michigan) | 3,658.86 mi (5,888.37 km) |
| Pembroke Dock to Kalispell (Montana) | 4,379.24 mi (7,047.71 km) |
