| Columbia Heights to Cromer | 4,002.80 mi (6,441.89 km) |
| Columbia Heights to Crosby | 3,830.69 mi (6,164.90 km) |
| Columbia Heights to Crowborough | 4,034.68 mi (6,493.19 km) |
| Columbia Heights to Croxley Green | 3,990.44 mi (6,421.98 km) |
| Columbia Heights to Croydon | 4,012.93 mi (6,458.18 km) |
| Columbia Heights to Cudworth | 3,884.19 mi (6,250.99 km) |
| Columbia Heights to Culcheth | 3,850.01 mi (6,195.99 km) |
| Columbia Heights to Cullercoats | 3,831.19 mi (6,165.71 km) |
| Columbia Heights to Cumbernauld | 3,712.88 mi (5,975.31 km) |
| Columbia Heights to Cumnock | 3,720.11 mi (5,986.94 km) |
| Columbia Heights to Cupar | 3,733.45 mi (6,008.41 km) |
| Columbia Heights to Cwmbran | 3,897.30 mi (6,272.10 km) |
| Columbia Heights to Dagenham | 4,015.52 mi (6,462.36 km) |
| Columbia Heights to Dalkeith | 3,746.18 mi (6,028.90 km) |
| Columbia Heights to Darfield | 3,886.83 mi (6,255.25 km) |
