| Gloucester to Joliet (Illinois) | 3,892.11 mi (6,263.74 km) |
| Gloucester to Jonesboro (Arkansas) | 4,263.39 mi (6,861.27 km) |
| Gloucester to Joplin (Missouri) | 4,349.36 mi (6,999.62 km) |
| Gloucester to Joppatowne (Maryland) | 3,519.90 mi (5,664.74 km) |
| Gloucester to Juana Díaz (Puerto Rico) | 4,151.39 mi (6,681.01 km) |
| Gloucester to Junction City (Kansas) | 4,340.55 mi (6,985.45 km) |
| Gloucester to Juneau (Alaska) | 4,350.89 mi (7,002.09 km) |
| Gloucester to Jupiter (Florida) | 4,273.23 mi (6,877.11 km) |
| Gloucester to Jupiter Farms (Florida) | 4,277.60 mi (6,884.13 km) |
| Gloucester to Jurupa Valley (California) | 5,333.56 mi (8,583.53 km) |
| Gloucester to Justice (Illinois) | 3,869.33 mi (6,227.09 km) |
| Gloucester to Kahului (Hawaii) | 7,175.13 mi (11,547.26 km) |
| Gloucester to Kailua (Hawaii) | 7,162.78 mi (11,527.38 km) |
| Gloucester to Kalamazoo (Michigan) | 3,758.95 mi (6,049.45 km) |
| Gloucester to Kalispell (Montana) | 4,450.86 mi (7,162.97 km) |
