| Twickenham to Cloverly (Maryland) | 3,646.88 mi (5,869.09 km) |
| Twickenham to Clovis (California) | 5,322.84 mi (8,566.28 km) |
| Twickenham to Clovis (New Mexico) | 4,895.85 mi (7,879.12 km) |
| Twickenham to Clute (Texas) | 4,881.24 mi (7,855.60 km) |
| Twickenham to Coachella (California) | 5,388.61 mi (8,672.13 km) |
| Twickenham to Coalinga (California) | 5,382.02 mi (8,661.53 km) |
| Twickenham to Coamo (Puerto Rico) | 4,221.16 mi (6,793.31 km) |
| Twickenham to Coatesville (Pennsylvania) | 3,559.73 mi (5,728.83 km) |
| Twickenham to Cockeysville (Maryland) | 3,615.08 mi (5,817.91 km) |
| Twickenham to Cocoa (Florida) | 4,313.20 mi (6,941.42 km) |
| Twickenham to Cocoa Beach (Florida) | 4,309.74 mi (6,935.86 km) |
| Twickenham to Coconut Creek (Florida) | 4,393.76 mi (7,071.07 km) |
| Twickenham to Coeur d'Alene (Idaho) | 4,625.43 mi (7,443.92 km) |
| Twickenham to Cohoes (New York) | 3,354.26 mi (5,398.16 km) |
| Twickenham to Cold Springs (Nevada) | 5,167.68 mi (8,316.58 km) |
