| Harker Heights to Cedar Park (Texas) | 39.18 mi (63.05 km) |
| Harker Heights to Cedar Rapids (Iowa) | 822.79 mi (1,324.15 km) |
| Harker Heights to Cedarburg (Wisconsin) | 997.40 mi (1,605.16 km) |
| Harker Heights to Celebration (Florida) | 983.56 mi (1,582.89 km) |
| Harker Heights to Celina (Ohio) | 981.86 mi (1,580.15 km) |
| Harker Heights to Celina (Texas) | 163.76 mi (263.54 km) |
| Harker Heights to Centennial (Colorado) | 716.05 mi (1,152.37 km) |
| Harker Heights to Center Point (Alabama) | 663.82 mi (1,068.31 km) |
| Harker Heights to Centereach (New York) | 1,524.59 mi (2,453.60 km) |
| Harker Heights to Centerton (Arkansas) | 413.55 mi (665.54 km) |
| Harker Heights to Centerville (Ohio) | 962.49 mi (1,548.98 km) |
| Harker Heights to Centerville (Utah) | 1,045.80 mi (1,683.06 km) |
| Harker Heights to Central (Louisiana) | 393.57 mi (633.39 km) |
| Harker Heights to Central Falls (Rhode Island) | 1,630.16 mi (2,623.48 km) |
| Harker Heights to Central Islip (New York) | 1,517.16 mi (2,441.64 km) |
