| Lombard to Johnstown (Pennsylvania) | 485.28 mi (780.99 km) |
| Lombard to Joliet (Illinois) | 25.51 mi (41.05 km) |
| Lombard to Jonesboro (Arkansas) | 442.03 mi (711.37 km) |
| Lombard to Joplin (Missouri) | 478.87 mi (770.67 km) |
| Lombard to Joppatowne (Maryland) | 634.01 mi (1,020.35 km) |
| Lombard to Juana Díaz (Puerto Rico) | 2,076.96 mi (3,342.54 km) |
| Lombard to Junction City (Kansas) | 504.12 mi (811.31 km) |
| Lombard to Juneau (Alaska) | 2,279.90 mi (3,669.14 km) |
| Lombard to Jupiter (Florida) | 1,125.91 mi (1,811.98 km) |
| Lombard to Jupiter Farms (Florida) | 1,123.40 mi (1,807.93 km) |
| Lombard to Jurupa Valley (California) | 1,684.93 mi (2,711.63 km) |
| Lombard to Justice (Illinois) | 12.70 mi (20.43 km) |
| Lombard to Kahului (Hawaii) | 4,175.56 mi (6,719.91 km) |
| Lombard to Kailua (Hawaii) | 4,219.57 mi (6,790.74 km) |
| Lombard to Kalamazoo (Michigan) | 127.53 mi (205.25 km) |
