| New Lenox to Johnstown (Pennsylvania) | 479.34 mi (771.42 km) |
| New Lenox to Joliet (Illinois) | 9.31 mi (14.99 km) |
| New Lenox to Jonesboro (Arkansas) | 419.25 mi (674.72 km) |
| New Lenox to Joplin (Missouri) | 464.32 mi (747.25 km) |
| New Lenox to Joppatowne (Maryland) | 627.09 mi (1,009.20 km) |
| New Lenox to Juana Díaz (Puerto Rico) | 2,057.29 mi (3,310.88 km) |
| New Lenox to Junction City (Kansas) | 498.30 mi (801.94 km) |
| New Lenox to Juneau (Alaska) | 2,299.74 mi (3,701.07 km) |
| New Lenox to Jupiter (Florida) | 1,102.26 mi (1,773.92 km) |
| New Lenox to Jupiter Farms (Florida) | 1,099.70 mi (1,769.79 km) |
| New Lenox to Jurupa Valley (California) | 1,683.43 mi (2,709.22 km) |
| New Lenox to Justice (Illinois) | 18.00 mi (28.98 km) |
| New Lenox to Kahului (Hawaii) | 4,179.00 mi (6,725.45 km) |
| New Lenox to Kailua (Hawaii) | 4,223.58 mi (6,797.19 km) |
| New Lenox to Kalamazoo (Michigan) | 133.44 mi (214.75 km) |
