| Rickmansworth to Joliet (Illinois) | 3,967.05 mi (6,384.36 km) |
| Rickmansworth to Jonesboro (Arkansas) | 4,339.35 mi (6,983.51 km) |
| Rickmansworth to Joplin (Missouri) | 4,424.20 mi (7,120.06 km) |
| Rickmansworth to Joppatowne (Maryland) | 3,597.14 mi (5,789.04 km) |
| Rickmansworth to Juana Díaz (Puerto Rico) | 4,224.52 mi (6,798.71 km) |
| Rickmansworth to Junction City (Kansas) | 4,414.20 mi (7,103.97 km) |
| Rickmansworth to Juneau (Alaska) | 4,397.67 mi (7,077.37 km) |
| Rickmansworth to Jupiter (Florida) | 4,350.83 mi (7,001.99 km) |
| Rickmansworth to Jupiter Farms (Florida) | 4,355.20 mi (7,009.02 km) |
| Rickmansworth to Jurupa Valley (California) | 5,401.64 mi (8,693.09 km) |
| Rickmansworth to Justice (Illinois) | 3,944.28 mi (6,347.70 km) |
| Rickmansworth to Kahului (Hawaii) | 7,220.27 mi (11,619.90 km) |
| Rickmansworth to Kailua (Hawaii) | 7,206.44 mi (11,597.64 km) |
| Rickmansworth to Kalamazoo (Michigan) | 3,834.19 mi (6,170.54 km) |
| Rickmansworth to Kalispell (Montana) | 4,513.90 mi (7,264.41 km) |
