| Le Mars to Johnstown (Pennsylvania) | 906.41 mi (1,458.72 km) |
| Le Mars to Joliet (Illinois) | 419.97 mi (675.88 km) |
| Le Mars to Jonesboro (Arkansas) | 563.19 mi (906.37 km) |
| Le Mars to Joplin (Missouri) | 404.00 mi (650.17 km) |
| Le Mars to Joppatowne (Maryland) | 1,055.22 mi (1,698.21 km) |
| Le Mars to Juana Díaz (Puerto Rico) | 2,434.31 mi (3,917.64 km) |
| Le Mars to Junction City (Kansas) | 261.73 mi (421.21 km) |
| Le Mars to Juneau (Alaska) | 1,947.51 mi (3,134.22 km) |
| Le Mars to Jupiter (Florida) | 1,419.65 mi (2,284.71 km) |
| Le Mars to Jupiter Farms (Florida) | 1,415.75 mi (2,278.43 km) |
| Le Mars to Jurupa Valley (California) | 1,297.98 mi (2,088.90 km) |
| Le Mars to Justice (Illinois) | 432.10 mi (695.41 km) |
| Le Mars to Kahului (Hawaii) | 3,759.77 mi (6,050.77 km) |
| Le Mars to Kailua (Hawaii) | 3,802.31 mi (6,119.22 km) |
| Le Mars to Kalamazoo (Michigan) | 539.75 mi (868.64 km) |
