| Southlake to Cibolo (Texas) | 242.54 mi (390.32 km) |
| Southlake to Cicero (Illinois) | 800.81 mi (1,288.79 km) |
| Southlake to Cimarron Hills (Colorado) | 586.91 mi (944.54 km) |
| Southlake to Cincinnati (Ohio) | 824.44 mi (1,326.81 km) |
| Southlake to Cinco Ranch (Texas) | 236.78 mi (381.06 km) |
| Southlake to Circleville (Ohio) | 913.94 mi (1,470.85 km) |
| Southlake to Citrus (California) | 1,195.04 mi (1,923.23 km) |
| Southlake to Citrus Heights (California) | 1,404.48 mi (2,260.29 km) |
| Southlake to Citrus Park (Florida) | 930.45 mi (1,497.41 km) |
| Southlake to Claiborne (Louisiana) | 289.19 mi (465.41 km) |
| Southlake to Claremont (California) | 1,185.08 mi (1,907.21 km) |
| Southlake to Claremont (New Hampshire) | 1,520.00 mi (2,446.20 km) |
| Southlake to Claremore (Oklahoma) | 248.12 mi (399.32 km) |
| Southlake to Clarksburg (Maryland) | 1,188.60 mi (1,912.87 km) |
| Southlake to Clarksburg (West Virginia) | 1,033.86 mi (1,663.83 km) |
