| Twickenham to Castle Rock (Colorado) | 4,694.99 mi (7,555.86 km) |
| Twickenham to Castro Valley (California) | 5,344.04 mi (8,600.40 km) |
| Twickenham to Catalina Foothills (Arizona) | 5,287.16 mi (8,508.87 km) |
| Twickenham to Cataño (Puerto Rico) | 4,192.84 mi (6,747.73 km) |
| Twickenham to Cathedral City (California) | 5,390.93 mi (8,675.86 km) |
| Twickenham to Catonsville (Maryland) | 3,629.31 mi (5,840.81 km) |
| Twickenham to Cave Spring (Virginia) | 3,855.39 mi (6,204.64 km) |
| Twickenham to Cayce (South Carolina) | 4,052.61 mi (6,522.05 km) |
| Twickenham to Cayey (Puerto Rico) | 4,210.56 mi (6,776.25 km) |
| Twickenham to Cedar City (Utah) | 5,064.91 mi (8,151.19 km) |
| Twickenham to Cedar Falls (Iowa) | 4,092.46 mi (6,586.18 km) |
| Twickenham to Cedar Hill (Texas) | 4,758.10 mi (7,657.41 km) |
| Twickenham to Cedar Lake (Indiana) | 3,957.75 mi (6,369.38 km) |
| Twickenham to Cedar Mill (Oregon) | 4,912.94 mi (7,906.61 km) |
| Twickenham to Cedar Park (Texas) | 4,899.11 mi (7,884.35 km) |
