| Duchcov to Joliet (Illinois) | 4,527.38 mi (7,286.11 km) |
| Duchcov to Jonesboro (Arkansas) | 4,911.90 mi (7,904.94 km) |
| Duchcov to Joplin (Missouri) | 4,981.77 mi (8,017.39 km) |
| Duchcov to Joppatowne (Maryland) | 4,191.82 mi (6,746.08 km) |
| Duchcov to Juana Díaz (Puerto Rico) | 4,838.02 mi (7,786.05 km) |
| Duchcov to Junction City (Kansas) | 4,957.45 mi (7,978.24 km) |
| Duchcov to Juneau (Alaska) | 4,687.12 mi (7,543.19 km) |
| Duchcov to Jupiter (Florida) | 4,963.20 mi (7,987.49 km) |
| Duchcov to Jupiter Farms (Florida) | 4,967.44 mi (7,994.32 km) |
| Duchcov to Jurupa Valley (California) | 5,879.73 mi (9,462.51 km) |
| Duchcov to Justice (Illinois) | 4,504.61 mi (7,249.47 km) |
| Duchcov to Kahului (Hawaii) | 7,462.30 mi (12,009.41 km) |
| Duchcov to Kailua (Hawaii) | 7,435.28 mi (11,965.93 km) |
| Duchcov to Kalamazoo (Michigan) | 4,398.61 mi (7,078.88 km) |
| Duchcov to Kalispell (Montana) | 4,948.00 mi (7,963.04 km) |
