| Columbia to Cosham | 4,024.03 mi (6,476.06 km) |
| Columbia to Costessey | 4,081.60 mi (6,568.71 km) |
| Columbia to Cottingham | 3,995.44 mi (6,430.05 km) |
| Columbia to Coulsdon | 4,053.19 mi (6,522.97 km) |
| Columbia to Coventry | 3,976.26 mi (6,399.18 km) |
| Columbia to Cowdenbeath | 3,845.11 mi (6,188.11 km) |
| Columbia to Cowes | 4,015.83 mi (6,462.86 km) |
| Columbia to Cowley | 4,034.97 mi (6,493.66 km) |
| Columbia to Cowley | 4,000.80 mi (6,438.66 km) |
| Columbia to Cramlington | 3,927.70 mi (6,321.02 km) |
| Columbia to Cranleigh | 4,042.77 mi (6,506.20 km) |
| Columbia to Crawley | 4,055.40 mi (6,526.53 km) |
| Columbia to Crayford | 4,063.83 mi (6,540.10 km) |
| Columbia to Crewe | 3,926.61 mi (6,319.27 km) |
| Columbia to Crigglestone | 3,954.01 mi (6,363.37 km) |
