| Harker Heights to Camarillo (California) | 1,261.00 mi (2,029.39 km) |
| Harker Heights to Camas (Washington) | 1,666.01 mi (2,681.18 km) |
| Harker Heights to Cambridge (Maryland) | 1,324.39 mi (2,131.41 km) |
| Harker Heights to Cambridge (Massachusetts) | 1,654.47 mi (2,662.62 km) |
| Harker Heights to Camden (Arkansas) | 329.44 mi (530.18 km) |
| Harker Heights to Camden (New Jersey) | 1,403.00 mi (2,257.91 km) |
| Harker Heights to Cameron Park (California) | 1,419.07 mi (2,283.77 km) |
| Harker Heights to Camp Pendleton South (California) | 1,163.28 mi (1,872.12 km) |
| Harker Heights to Camp Springs (Maryland) | 1,286.32 mi (2,070.13 km) |
| Harker Heights to Camp Verde (Arizona) | 859.30 mi (1,382.90 km) |
| Harker Heights to Campbell (California) | 1,449.94 mi (2,333.46 km) |
| Harker Heights to Campbellsville (Kentucky) | 824.90 mi (1,327.54 km) |
| Harker Heights to Campton Hills (Illinois) | 909.28 mi (1,463.34 km) |
| Harker Heights to Canby (Oregon) | 1,666.13 mi (2,681.37 km) |
| Harker Heights to Candelaria (Puerto Rico) | 2,147.21 mi (3,455.60 km) |
