| Idylwood to Joliet (Illinois) | 604.92 mi (973.53 km) |
| Idylwood to Jonesboro (Arkansas) | 768.91 mi (1,237.45 km) |
| Idylwood to Joplin (Missouri) | 948.78 mi (1,526.91 km) |
| Idylwood to Joppatowne (Maryland) | 58.54 mi (94.21 km) |
| Idylwood to Juana Díaz (Puerto Rico) | 1,576.69 mi (2,537.44 km) |
| Idylwood to Junction City (Kansas) | 1,053.46 mi (1,695.38 km) |
| Idylwood to Juneau (Alaska) | 2,818.85 mi (4,536.50 km) |
| Idylwood to Jupiter (Florida) | 843.90 mi (1,358.12 km) |
| Idylwood to Jupiter Farms (Florida) | 844.99 mi (1,359.88 km) |
| Idylwood to Jurupa Valley (California) | 2,244.94 mi (3,612.88 km) |
| Idylwood to Justice (Illinois) | 593.28 mi (954.80 km) |
| Idylwood to Kahului (Hawaii) | 4,763.60 mi (7,666.27 km) |
| Idylwood to Kailua (Hawaii) | 4,810.52 mi (7,741.78 km) |
| Idylwood to Kalamazoo (Michigan) | 497.87 mi (801.24 km) |
| Idylwood to Kalispell (Montana) | 1,945.26 mi (3,130.59 km) |
