| Harker Heights to Caltagirone | 6,000.72 mi (9,657.22 km) |
| Harker Heights to Caltanissetta | 5,970.47 mi (9,608.55 km) |
| Harker Heights to Calvisano | 5,497.65 mi (8,847.61 km) |
| Harker Heights to Calvizzano | 5,833.71 mi (9,388.44 km) |
| Harker Heights to Camaiore | 5,550.69 mi (8,932.97 km) |
| Harker Heights to Cameri | 5,423.32 mi (8,727.99 km) |
| Harker Heights to Camisano Vicentino | 5,545.87 mi (8,925.22 km) |
| Harker Heights to Campagna | 5,881.64 mi (9,465.58 km) |
| Harker Heights to Campagnano di Roma | 5,708.20 mi (9,186.46 km) |
| Harker Heights to Campi Bisenzio | 5,589.46 mi (8,995.36 km) |
| Harker Heights to Campi Salentina | 6,013.04 mi (9,677.06 km) |
| Harker Heights to Campiglia Marittima | 5,597.61 mi (9,008.49 km) |
| Harker Heights to Campobasso | 5,825.97 mi (9,375.99 km) |
| Harker Heights to Campobello di Licata | 5,974.10 mi (9,614.38 km) |
| Harker Heights to Campobello di Mazara | 5,906.95 mi (9,506.32 km) |
