| Maryland Heights to Johnstown (Pennsylvania) | 625.32 mi (1,006.36 km) |
| Maryland Heights to Joliet (Illinois) | 229.14 mi (368.76 km) |
| Maryland Heights to Jonesboro (Arkansas) | 200.53 mi (322.72 km) |
| Maryland Heights to Joplin (Missouri) | 247.14 mi (397.73 km) |
| Maryland Heights to Joppatowne (Maryland) | 758.39 mi (1,220.50 km) |
| Maryland Heights to Juana Díaz (Puerto Rico) | 2,027.60 mi (3,263.11 km) |
| Maryland Heights to Junction City (Kansas) | 343.56 mi (552.91 km) |
| Maryland Heights to Juneau (Alaska) | 2,355.22 mi (3,790.36 km) |
| Maryland Heights to Jupiter (Florida) | 1,011.65 mi (1,628.09 km) |
| Maryland Heights to Jupiter Farms (Florida) | 1,007.90 mi (1,622.06 km) |
| Maryland Heights to Jurupa Valley (California) | 1,531.11 mi (2,464.09 km) |
| Maryland Heights to Justice (Illinois) | 251.45 mi (404.67 km) |
| Maryland Heights to Kahului (Hawaii) | 4,055.68 mi (6,526.98 km) |
| Maryland Heights to Kailua (Hawaii) | 4,104.74 mi (6,605.94 km) |
| Maryland Heights to Kalamazoo (Michigan) | 355.25 mi (571.72 km) |
