| Rickmansworth to Cloverly (Maryland) | 3,637.49 mi (5,853.98 km) |
| Rickmansworth to Clovis (California) | 5,309.75 mi (8,545.21 km) |
| Rickmansworth to Clovis (New Mexico) | 4,884.28 mi (7,860.50 km) |
| Rickmansworth to Clute (Texas) | 4,871.12 mi (7,839.30 km) |
| Rickmansworth to Coachella (California) | 5,375.96 mi (8,651.78 km) |
| Rickmansworth to Coalinga (California) | 5,368.93 mi (8,640.45 km) |
| Rickmansworth to Coamo (Puerto Rico) | 4,217.32 mi (6,787.11 km) |
| Rickmansworth to Coatesville (Pennsylvania) | 3,550.32 mi (5,713.69 km) |
| Rickmansworth to Cockeysville (Maryland) | 3,605.67 mi (5,802.76 km) |
| Rickmansworth to Cocoa (Florida) | 4,305.11 mi (6,928.41 km) |
| Rickmansworth to Cocoa Beach (Florida) | 4,301.69 mi (6,922.90 km) |
| Rickmansworth to Coconut Creek (Florida) | 4,386.10 mi (7,058.74 km) |
| Rickmansworth to Coeur d'Alene (Idaho) | 4,611.93 mi (7,422.18 km) |
| Rickmansworth to Cohoes (New York) | 3,344.56 mi (5,382.55 km) |
| Rickmansworth to Cold Springs (Nevada) | 5,154.42 mi (8,295.24 km) |
