| Harker Heights to Castrovillari | 5,963.49 mi (9,597.31 km) |
| Harker Heights to Catania | 6,014.82 mi (9,679.92 km) |
| Harker Heights to Catanzaro | 6,019.59 mi (9,687.59 km) |
| Harker Heights to Cattolica | 5,648.52 mi (9,090.41 km) |
| Harker Heights to Cava de' Tirreni | 5,863.59 mi (9,436.54 km) |
| Harker Heights to Cavallino | 6,024.15 mi (9,694.94 km) |
| Harker Heights to Cavarzere | 5,575.46 mi (8,972.83 km) |
| Harker Heights to Cave | 5,743.91 mi (9,243.94 km) |
| Harker Heights to Cavriago | 5,530.40 mi (8,900.33 km) |
| Harker Heights to Cavriglia | 5,615.66 mi (9,037.54 km) |
| Harker Heights to Cazzago San Martino | 5,475.80 mi (8,812.46 km) |
| Harker Heights to Ceccano | 5,770.77 mi (9,287.16 km) |
| Harker Heights to Cecina | 5,583.68 mi (8,986.06 km) |
| Harker Heights to Cefalu | 5,945.86 mi (9,568.93 km) |
| Harker Heights to Ceglie Messapico | 5,981.10 mi (9,625.64 km) |
