| Rickmansworth to Cookeville (Tennessee) | 4,118.98 mi (6,628.85 km) |
| Rickmansworth to Coolidge (Arizona) | 5,262.38 mi (8,468.97 km) |
| Rickmansworth to Coon Rapids (Minnesota) | 3,986.27 mi (6,415.28 km) |
| Rickmansworth to Cooper City (Florida) | 4,402.23 mi (7,084.71 km) |
| Rickmansworth to Coos Bay (Oregon) | 5,062.64 mi (8,147.54 km) |
| Rickmansworth to Copiague (New York) | 3,421.32 mi (5,506.09 km) |
| Rickmansworth to Coppell (Texas) | 4,728.75 mi (7,610.18 km) |
| Rickmansworth to Copperas Cove (Texas) | 4,860.31 mi (7,821.91 km) |
| Rickmansworth to Coral Gables (Florida) | 4,418.96 mi (7,111.62 km) |
| Rickmansworth to Coral Springs (Florida) | 4,389.77 mi (7,064.66 km) |
| Rickmansworth to Coral Terrace (Florida) | 4,418.21 mi (7,110.42 km) |
| Rickmansworth to Coralville (Iowa) | 4,088.41 mi (6,579.66 km) |
| Rickmansworth to Coram (New York) | 3,396.45 mi (5,466.06 km) |
| Rickmansworth to Corcoran (California) | 5,348.70 mi (8,607.90 km) |
| Rickmansworth to Cordele (Georgia) | 4,252.61 mi (6,843.91 km) |
