| Irondale to Joliet (Illinois) | 556.99 mi (896.40 km) |
| Irondale to Jonesboro (Arkansas) | 277.24 mi (446.18 km) |
| Irondale to Joplin (Missouri) | 504.73 mi (812.28 km) |
| Irondale to Joppatowne (Maryland) | 701.18 mi (1,128.44 km) |
| Irondale to Juana Díaz (Puerto Rico) | 1,642.62 mi (2,643.55 km) |
| Irondale to Junction City (Kansas) | 681.70 mi (1,097.09 km) |
| Irondale to Juneau (Alaska) | 2,767.49 mi (4,453.85 km) |
| Irondale to Jupiter (Florida) | 601.55 mi (968.10 km) |
| Irondale to Jupiter Farms (Florida) | 597.34 mi (961.33 km) |
| Irondale to Jurupa Valley (California) | 1,763.10 mi (2,837.43 km) |
| Irondale to Justice (Illinois) | 570.56 mi (918.23 km) |
| Irondale to Kahului (Hawaii) | 4,300.32 mi (6,920.69 km) |
| Irondale to Kailua (Hawaii) | 4,356.42 mi (7,010.98 km) |
| Irondale to Kalamazoo (Michigan) | 606.06 mi (975.37 km) |
| Irondale to Kalispell (Montana) | 1,749.79 mi (2,816.02 km) |
