| Rockwall to Johnstown (Pennsylvania) | 1,095.28 mi (1,762.68 km) |
| Rockwall to Joliet (Illinois) | 748.31 mi (1,204.28 km) |
| Rockwall to Jonesboro (Arkansas) | 384.75 mi (619.19 km) |
| Rockwall to Joplin (Missouri) | 307.50 mi (494.87 km) |
| Rockwall to Joppatowne (Maryland) | 1,203.73 mi (1,937.21 km) |
| Rockwall to Juana Díaz (Puerto Rico) | 2,119.43 mi (3,410.90 km) |
| Rockwall to Junction City (Kansas) | 422.85 mi (680.51 km) |
| Rockwall to Juneau (Alaska) | 2,477.76 mi (3,987.57 km) |
| Rockwall to Jupiter (Florida) | 1,060.21 mi (1,706.24 km) |
| Rockwall to Jupiter Farms (Florida) | 1,054.31 mi (1,696.76 km) |
| Rockwall to Jurupa Valley (California) | 1,212.61 mi (1,951.50 km) |
| Rockwall to Justice (Illinois) | 771.00 mi (1,240.80 km) |
| Rockwall to Kahului (Hawaii) | 3,742.10 mi (6,022.32 km) |
| Rockwall to Kailua (Hawaii) | 3,800.31 mi (6,116.00 km) |
| Rockwall to Kalamazoo (Michigan) | 876.50 mi (1,410.59 km) |
