| Hornchurch to Joliet (Illinois) | 3,995.48 mi (6,430.11 km) |
| Hornchurch to Jonesboro (Arkansas) | 4,368.20 mi (7,029.93 km) |
| Hornchurch to Joplin (Missouri) | 4,452.58 mi (7,165.73 km) |
| Hornchurch to Joppatowne (Maryland) | 3,626.56 mi (5,836.39 km) |
| Hornchurch to Juana Díaz (Puerto Rico) | 4,252.76 mi (6,844.15 km) |
| Hornchurch to Junction City (Kansas) | 4,442.09 mi (7,148.86 km) |
| Hornchurch to Juneau (Alaska) | 4,415.02 mi (7,105.28 km) |
| Hornchurch to Jupiter (Florida) | 4,380.50 mi (7,049.74 km) |
| Hornchurch to Jupiter Farms (Florida) | 4,384.87 mi (7,056.77 km) |
| Hornchurch to Jurupa Valley (California) | 5,427.26 mi (8,734.34 km) |
| Hornchurch to Justice (Illinois) | 3,972.71 mi (6,393.45 km) |
| Hornchurch to Kahului (Hawaii) | 7,236.77 mi (11,646.46 km) |
| Hornchurch to Kailua (Hawaii) | 7,222.36 mi (11,623.27 km) |
| Hornchurch to Kalamazoo (Michigan) | 3,862.75 mi (6,216.49 km) |
| Hornchurch to Kalispell (Montana) | 4,537.56 mi (7,302.49 km) |
