| DeKalb to Joliet (Illinois) | 42.00 mi (67.60 km) |
| DeKalb to Jonesboro (Arkansas) | 434.73 mi (699.63 km) |
| DeKalb to Joplin (Missouri) | 454.36 mi (731.22 km) |
| DeKalb to Joppatowne (Maryland) | 671.73 mi (1,081.04 km) |
| DeKalb to Juana Díaz (Puerto Rico) | 2,106.24 mi (3,389.67 km) |
| DeKalb to Junction City (Kansas) | 470.46 mi (757.14 km) |
| DeKalb to Juneau (Alaska) | 2,250.96 mi (3,622.57 km) |
| DeKalb to Jupiter (Florida) | 1,146.50 mi (1,845.12 km) |
| DeKalb to Jupiter Farms (Florida) | 1,143.82 mi (1,840.80 km) |
| DeKalb to Jurupa Valley (California) | 1,648.44 mi (2,652.90 km) |
| DeKalb to Justice (Illinois) | 48.68 mi (78.34 km) |
| DeKalb to Kahului (Hawaii) | 4,137.78 mi (6,659.11 km) |
| DeKalb to Kailua (Hawaii) | 4,181.74 mi (6,729.86 km) |
| DeKalb to Kalamazoo (Michigan) | 163.71 mi (263.46 km) |
| DeKalb to Kalispell (Montana) | 1,314.14 mi (2,114.91 km) |
