| Gretz-Armainvilliers to Joliet (Illinois) | 4,188.06 mi (6,740.03 km) |
| Gretz-Armainvilliers to Jonesboro (Arkansas) | 4,554.15 mi (7,329.19 km) |
| Gretz-Armainvilliers to Joplin (Missouri) | 4,645.59 mi (7,476.36 km) |
| Gretz-Armainvilliers to Joppatowne (Maryland) | 3,799.08 mi (6,114.03 km) |
| Gretz-Armainvilliers to Juana Díaz (Puerto Rico) | 4,347.42 mi (6,996.49 km) |
| Gretz-Armainvilliers to Junction City (Kansas) | 4,640.72 mi (7,468.52 km) |
| Gretz-Armainvilliers to Juneau (Alaska) | 4,637.98 mi (7,464.11 km) |
| Gretz-Armainvilliers to Jupiter (Florida) | 4,530.52 mi (7,291.17 km) |
| Gretz-Armainvilliers to Jupiter Farms (Florida) | 4,535.11 mi (7,298.56 km) |
| Gretz-Armainvilliers to Jurupa Valley (California) | 5,641.03 mi (9,078.36 km) |
| Gretz-Armainvilliers to Justice (Illinois) | 4,165.32 mi (6,703.43 km) |
| Gretz-Armainvilliers to Kahului (Hawaii) | 7,458.61 mi (12,003.48 km) |
| Gretz-Armainvilliers to Kailua (Hawaii) | 7,443.38 mi (11,978.97 km) |
| Gretz-Armainvilliers to Kalamazoo (Michigan) | 4,053.69 mi (6,523.78 km) |
| Gretz-Armainvilliers to Kalispell (Montana) | 4,757.88 mi (7,657.06 km) |
