| Harker Heights to Cosham | 4,853.22 mi (7,810.49 km) |
| Harker Heights to Costessey | 4,886.52 mi (7,864.09 km) |
| Harker Heights to Cottingham | 4,792.29 mi (7,712.44 km) |
| Harker Heights to Coulsdon | 4,875.30 mi (7,846.03 km) |
| Harker Heights to Coventry | 4,790.42 mi (7,709.44 km) |
| Harker Heights to Cowdenbeath | 4,621.74 mi (7,437.96 km) |
| Harker Heights to Cowes | 4,846.40 mi (7,799.53 km) |
| Harker Heights to Cowley | 4,855.81 mi (7,814.68 km) |
| Harker Heights to Cowley | 4,821.30 mi (7,759.13 km) |
| Harker Heights to Cramlington | 4,712.64 mi (7,584.27 km) |
| Harker Heights to Cranleigh | 4,867.58 mi (7,833.61 km) |
| Harker Heights to Crawley | 4,879.77 mi (7,853.23 km) |
| Harker Heights to Crayford | 4,883.85 mi (7,859.80 km) |
| Harker Heights to Crewe | 4,735.50 mi (7,621.05 km) |
| Harker Heights to Crigglestone | 4,754.92 mi (7,652.31 km) |
