| Harker Heights to Caldicot | 4,765.46 mi (7,669.27 km) |
| Harker Heights to Calne | 4,798.98 mi (7,723.21 km) |
| Harker Heights to Cam | 4,777.45 mi (7,688.56 km) |
| Harker Heights to Camberley | 4,851.38 mi (7,807.54 km) |
| Harker Heights to Camborne | 4,700.93 mi (7,565.42 km) |
| Harker Heights to Cambridge | 4,858.73 mi (7,819.37 km) |
| Harker Heights to Cambuslang | 4,599.71 mi (7,402.52 km) |
| Harker Heights to Canford Cliffs | 4,823.16 mi (7,762.13 km) |
| Harker Heights to Cannock | 4,762.62 mi (7,664.70 km) |
| Harker Heights to Canterbury | 4,923.79 mi (7,924.07 km) |
| Harker Heights to Carlisle | 4,668.20 mi (7,512.74 km) |
| Harker Heights to Carlton Colville | 4,910.73 mi (7,903.05 km) |
| Harker Heights to Carluke | 4,613.91 mi (7,425.36 km) |
| Harker Heights to Carnoustie | 4,634.41 mi (7,458.36 km) |
| Harker Heights to Carshalton | 4,872.84 mi (7,842.09 km) |
