| Westbrook to Johnstown (Pennsylvania) | 497.20 mi (800.17 km) |
| Westbrook to Joliet (Illinois) | 915.56 mi (1,473.45 km) |
| Westbrook to Jonesboro (Arkansas) | 1,204.50 mi (1,938.45 km) |
| Westbrook to Joplin (Missouri) | 1,344.80 mi (2,164.24 km) |
| Westbrook to Joppatowne (Maryland) | 428.15 mi (689.04 km) |
| Westbrook to Juana Díaz (Puerto Rico) | 1,785.84 mi (2,874.03 km) |
| Westbrook to Junction City (Kansas) | 1,404.93 mi (2,261.01 km) |
| Westbrook to Juneau (Alaska) | 2,827.29 mi (4,550.08 km) |
| Westbrook to Jupiter (Florida) | 1,280.83 mi (2,061.29 km) |
| Westbrook to Jupiter Farms (Florida) | 1,283.22 mi (2,065.14 km) |
| Westbrook to Jurupa Valley (California) | 2,585.40 mi (4,160.79 km) |
| Westbrook to Justice (Illinois) | 895.71 mi (1,441.50 km) |
| Westbrook to Kahului (Hawaii) | 5,045.36 mi (8,119.73 km) |
| Westbrook to Kailua (Hawaii) | 5,083.86 mi (8,181.68 km) |
| Westbrook to Kalamazoo (Michigan) | 775.11 mi (1,247.42 km) |
