| Southlake to Johnstown (Pennsylvania) | 1,128.78 mi (1,816.59 km) |
| Southlake to Joliet (Illinois) | 770.61 mi (1,240.17 km) |
| Southlake to Jonesboro (Arkansas) | 418.64 mi (673.74 km) |
| Southlake to Joplin (Missouri) | 321.74 mi (517.79 km) |
| Southlake to Joppatowne (Maryland) | 1,239.26 mi (1,994.40 km) |
| Southlake to Juana Díaz (Puerto Rico) | 2,158.91 mi (3,474.43 km) |
| Southlake to Junction City (Kansas) | 419.95 mi (675.85 km) |
| Southlake to Juneau (Alaska) | 2,453.07 mi (3,947.84 km) |
| Southlake to Jupiter (Florida) | 1,100.28 mi (1,770.73 km) |
| Southlake to Jupiter Farms (Florida) | 1,094.36 mi (1,761.20 km) |
| Southlake to Jurupa Valley (California) | 1,171.39 mi (1,885.16 km) |
| Southlake to Justice (Illinois) | 793.37 mi (1,276.81 km) |
| Southlake to Kahului (Hawaii) | 3,700.68 mi (5,955.66 km) |
| Southlake to Kailua (Hawaii) | 3,758.89 mi (6,049.34 km) |
| Southlake to Kalamazoo (Michigan) | 901.21 mi (1,450.36 km) |
