| Ampthill to Joliet (Illinois) | 3,953.83 mi (6,363.08 km) |
| Ampthill to Jonesboro (Arkansas) | 4,327.41 mi (6,964.29 km) |
| Ampthill to Joplin (Missouri) | 4,410.83 mi (7,098.55 km) |
| Ampthill to Joppatowne (Maryland) | 3,587.83 mi (5,774.06 km) |
| Ampthill to Juana Díaz (Puerto Rico) | 4,226.91 mi (6,802.56 km) |
| Ampthill to Junction City (Kansas) | 4,399.64 mi (7,080.54 km) |
| Ampthill to Juneau (Alaska) | 4,372.93 mi (7,037.56 km) |
| Ampthill to Jupiter (Florida) | 4,345.17 mi (6,992.87 km) |
| Ampthill to Jupiter Farms (Florida) | 4,349.50 mi (6,999.84 km) |
| Ampthill to Jurupa Valley (California) | 5,383.26 mi (8,663.53 km) |
| Ampthill to Justice (Illinois) | 3,931.05 mi (6,326.41 km) |
| Ampthill to Kahului (Hawaii) | 7,195.20 mi (11,579.55 km) |
| Ampthill to Kailua (Hawaii) | 7,181.15 mi (11,556.95 km) |
| Ampthill to Kalamazoo (Michigan) | 3,821.32 mi (6,149.83 km) |
| Ampthill to Kalispell (Montana) | 4,493.32 mi (7,231.30 km) |
