| Effingham to Joliet (Illinois) | 167.05 mi (268.84 km) |
| Effingham to Jonesboro (Arkansas) | 256.07 mi (412.11 km) |
| Effingham to Joplin (Missouri) | 352.97 mi (568.06 km) |
| Effingham to Joppatowne (Maryland) | 652.37 mi (1,049.90 km) |
| Effingham to Juana Díaz (Puerto Rico) | 1,965.79 mi (3,163.63 km) |
| Effingham to Junction City (Kansas) | 445.09 mi (716.31 km) |
| Effingham to Juneau (Alaska) | 2,401.43 mi (3,864.72 km) |
| Effingham to Jupiter (Florida) | 973.34 mi (1,566.44 km) |
| Effingham to Jupiter Farms (Florida) | 970.16 mi (1,561.33 km) |
| Effingham to Jurupa Valley (California) | 1,636.10 mi (2,633.05 km) |
| Effingham to Justice (Illinois) | 185.51 mi (298.55 km) |
| Effingham to Kahului (Hawaii) | 4,157.42 mi (6,690.72 km) |
| Effingham to Kailua (Hawaii) | 4,205.72 mi (6,768.45 km) |
| Effingham to Kalamazoo (Michigan) | 267.52 mi (430.53 km) |
| Effingham to Kalispell (Montana) | 1,424.11 mi (2,291.88 km) |
