| Upminster to Joliet (Illinois) | 3,996.97 mi (6,432.50 km) |
| Upminster to Jonesboro (Arkansas) | 4,369.72 mi (7,032.38 km) |
| Upminster to Joplin (Missouri) | 4,454.06 mi (7,168.12 km) |
| Upminster to Joppatowne (Maryland) | 3,628.14 mi (5,838.93 km) |
| Upminster to Juana Díaz (Puerto Rico) | 4,254.39 mi (6,846.78 km) |
| Upminster to Junction City (Kansas) | 4,443.53 mi (7,151.18 km) |
| Upminster to Juneau (Alaska) | 4,415.75 mi (7,106.47 km) |
| Upminster to Jupiter (Florida) | 4,382.14 mi (7,052.36 km) |
| Upminster to Jupiter Farms (Florida) | 4,386.50 mi (7,059.40 km) |
| Upminster to Jurupa Valley (California) | 5,428.54 mi (8,736.38 km) |
| Upminster to Justice (Illinois) | 3,974.19 mi (6,395.84 km) |
| Upminster to Kahului (Hawaii) | 7,237.45 mi (11,647.55 km) |
| Upminster to Kailua (Hawaii) | 7,223.01 mi (11,624.31 km) |
| Upminster to Kalamazoo (Michigan) | 3,864.24 mi (6,218.90 km) |
| Upminster to Kalispell (Montana) | 4,538.70 mi (7,304.32 km) |
