| Southlake to Castle Pines (Colorado) | 621.95 mi (1,000.93 km) |
| Southlake to Castle Rock (Colorado) | 617.17 mi (993.24 km) |
| Southlake to Castro Valley (California) | 1,437.52 mi (2,313.47 km) |
| Southlake to Catalina Foothills (Arizona) | 799.83 mi (1,287.20 km) |
| Southlake to Cataño (Puerto Rico) | 2,163.61 mi (3,481.99 km) |
| Southlake to Cathedral City (California) | 1,114.16 mi (1,793.07 km) |
| Southlake to Catonsville (Maryland) | 1,216.38 mi (1,957.57 km) |
| Southlake to Cave Spring (Virginia) | 1,011.44 mi (1,627.76 km) |
| Southlake to Cayce (South Carolina) | 930.14 mi (1,496.92 km) |
| Southlake to Cayey (Puerto Rico) | 2,175.02 mi (3,500.36 km) |
| Southlake to Cedar City (Utah) | 954.96 mi (1,536.86 km) |
| Southlake to Cedar Falls (Iowa) | 708.64 mi (1,140.45 km) |
| Southlake to Cedar Hill (Texas) | 28.10 mi (45.22 km) |
| Southlake to Cedar Lake (Indiana) | 788.89 mi (1,269.59 km) |
| Southlake to Cedar Mill (Oregon) | 1,613.67 mi (2,596.95 km) |
