| Rickmansworth to Caño Martin Peña (Puerto Rico) | 4,185.35 mi (6,735.68 km) |
| Rickmansworth to Cañon City (Colorado) | 4,744.75 mi (7,635.93 km) |
| Rickmansworth to Canóvanas (Puerto Rico) | 4,182.22 mi (6,730.64 km) |
| Rickmansworth to Canton (Georgia) | 4,169.89 mi (6,710.79 km) |
| Rickmansworth to Canton (Illinois) | 4,084.10 mi (6,572.73 km) |
| Rickmansworth to Canton (Mississippi) | 4,474.58 mi (7,201.14 km) |
| Rickmansworth to Canton (Ohio) | 3,736.27 mi (6,012.95 km) |
| Rickmansworth to Canyon (Texas) | 4,808.41 mi (7,738.38 km) |
| Rickmansworth to Canyon Lake (California) | 5,412.68 mi (8,710.87 km) |
| Rickmansworth to Canyon Lake (Texas) | 4,938.96 mi (7,948.49 km) |
| Rickmansworth to Cape Coral (Florida) | 4,444.10 mi (7,152.08 km) |
| Rickmansworth to Cape Girardeau (Missouri) | 4,222.49 mi (6,795.44 km) |
| Rickmansworth to Carbondale (Illinois) | 4,189.41 mi (6,742.21 km) |
| Rickmansworth to Carlisle (Pennsylvania) | 3,596.89 mi (5,788.63 km) |
| Rickmansworth to Carlsbad (California) | 5,445.52 mi (8,763.72 km) |
