| Harker Heights to Cocentaina | 5,262.65 mi (8,469.41 km) |
| Harker Heights to Coin | 5,122.24 mi (8,243.44 km) |
| Harker Heights to Colindres | 4,975.23 mi (8,006.85 km) |
| Harker Heights to Collado-Villalba | 5,034.06 mi (8,101.54 km) |
| Harker Heights to Colmenar Viejo | 5,044.64 mi (8,118.56 km) |
| Harker Heights to Colmenarejo | 5,035.90 mi (8,104.49 km) |
| Harker Heights to Conil de la Frontera | 5,068.69 mi (8,157.27 km) |
| Harker Heights to Consuegra | 5,089.53 mi (8,190.80 km) |
| Harker Heights to Corbera de Llobregat | 5,281.71 mi (8,500.09 km) |
| Harker Heights to Cordoba | 5,082.54 mi (8,179.56 km) |
| Harker Heights to Coria del Rio | 5,038.98 mi (8,109.45 km) |
| Harker Heights to Crevillente | 5,261.77 mi (8,468.00 km) |
| Harker Heights to Cuarte de Huerva | 5,147.06 mi (8,283.39 km) |
| Harker Heights to Cubellas | 5,277.14 mi (8,492.74 km) |
| Harker Heights to Cuellar | 4,996.26 mi (8,040.71 km) |
