| Idar-Oberstein to Joliet (Illinois) | 4,328.19 mi (6,965.55 km) |
| Idar-Oberstein to Jonesboro (Arkansas) | 4,702.93 mi (7,568.64 km) |
| Idar-Oberstein to Joplin (Missouri) | 4,784.95 mi (7,700.64 km) |
| Idar-Oberstein to Joppatowne (Maryland) | 3,962.62 mi (6,377.22 km) |
| Idar-Oberstein to Juana Díaz (Puerto Rico) | 4,555.83 mi (7,331.90 km) |
| Idar-Oberstein to Junction City (Kansas) | 4,771.50 mi (7,678.98 km) |
| Idar-Oberstein to Juneau (Alaska) | 4,652.31 mi (7,487.16 km) |
| Idar-Oberstein to Jupiter (Florida) | 4,712.68 mi (7,584.32 km) |
| Idar-Oberstein to Jupiter Farms (Florida) | 4,717.11 mi (7,591.46 km) |
| Idar-Oberstein to Jurupa Valley (California) | 5,739.25 mi (9,236.44 km) |
| Idar-Oberstein to Justice (Illinois) | 4,305.40 mi (6,928.88 km) |
| Idar-Oberstein to Kahului (Hawaii) | 7,459.40 mi (12,004.74 km) |
| Idar-Oberstein to Kailua (Hawaii) | 7,439.09 mi (11,972.05 km) |
| Idar-Oberstein to Kalamazoo (Michigan) | 4,196.12 mi (6,753.01 km) |
| Idar-Oberstein to Kalispell (Montana) | 4,833.46 mi (7,778.70 km) |
