| Walnut Park to Johnstown (Pennsylvania) | 2,190.07 mi (3,524.57 km) |
| Walnut Park to Joliet (Illinois) | 1,713.82 mi (2,758.13 km) |
| Walnut Park to Jonesboro (Arkansas) | 1,560.97 mi (2,512.15 km) |
| Walnut Park to Joplin (Missouri) | 1,347.45 mi (2,168.50 km) |
| Walnut Park to Joppatowne (Maryland) | 2,328.96 mi (3,748.10 km) |
| Walnut Park to Juana Díaz (Puerto Rico) | 3,356.05 mi (5,401.05 km) |
| Walnut Park to Junction City (Kansas) | 1,234.08 mi (1,986.06 km) |
| Walnut Park to Juneau (Alaska) | 1,844.97 mi (2,969.18 km) |
| Walnut Park to Jupiter (Florida) | 2,307.97 mi (3,714.32 km) |
| Walnut Park to Jupiter Farms (Florida) | 2,301.84 mi (3,704.45 km) |
| Walnut Park to Jurupa Valley (California) | 43.11 mi (69.38 km) |
| Walnut Park to Justice (Illinois) | 1,732.16 mi (2,787.65 km) |
| Walnut Park to Kahului (Hawaii) | 2,496.06 mi (4,017.02 km) |
| Walnut Park to Kailua (Hawaii) | 2,550.75 mi (4,105.03 km) |
| Walnut Park to Kalamazoo (Michigan) | 1,851.28 mi (2,979.35 km) |
