| Harker Heights to Commerce (California) | 1,209.68 mi (1,946.78 km) |
| Harker Heights to Commerce City (Colorado) | 730.41 mi (1,175.48 km) |
| Harker Heights to Compton (California) | 1,213.52 mi (1,952.97 km) |
| Harker Heights to Comstock Park (Michigan) | 1,056.63 mi (1,700.49 km) |
| Harker Heights to Concord (California) | 1,461.54 mi (2,352.13 km) |
| Harker Heights to Concord (Missouri) | 660.01 mi (1,062.19 km) |
| Harker Heights to Concord (New Hampshire) | 1,654.41 mi (2,662.52 km) |
| Harker Heights to Concord (North Carolina) | 1,026.10 mi (1,651.34 km) |
| Harker Heights to Conneaut (Ohio) | 1,205.93 mi (1,940.76 km) |
| Harker Heights to Connersville (Indiana) | 920.09 mi (1,480.75 km) |
| Harker Heights to Conroe (Texas) | 138.10 mi (222.25 km) |
| Harker Heights to Converse (Texas) | 114.06 mi (183.56 km) |
| Harker Heights to Conway (Arkansas) | 408.38 mi (657.23 km) |
| Harker Heights to Conway (Florida) | 993.20 mi (1,598.40 km) |
| Harker Heights to Conway (South Carolina) | 1,099.90 mi (1,770.11 km) |
