| Twickenham to Caño Martin Peña (Puerto Rico) | 4,189.20 mi (6,741.87 km) |
| Twickenham to Cañon City (Colorado) | 4,756.87 mi (7,655.45 km) |
| Twickenham to Canóvanas (Puerto Rico) | 4,186.03 mi (6,736.77 km) |
| Twickenham to Canton (Georgia) | 4,179.39 mi (6,726.08 km) |
| Twickenham to Canton (Illinois) | 4,095.10 mi (6,590.43 km) |
| Twickenham to Canton (Mississippi) | 4,484.52 mi (7,217.13 km) |
| Twickenham to Canton (Ohio) | 3,746.44 mi (6,029.31 km) |
| Twickenham to Canyon (Texas) | 4,819.91 mi (7,756.89 km) |
| Twickenham to Canyon Lake (California) | 5,425.42 mi (8,731.36 km) |
| Twickenham to Canyon Lake (Texas) | 4,949.53 mi (7,965.49 km) |
| Twickenham to Cape Coral (Florida) | 4,452.09 mi (7,164.95 km) |
| Twickenham to Cape Girardeau (Missouri) | 4,233.01 mi (6,812.36 km) |
| Twickenham to Carbondale (Illinois) | 4,199.95 mi (6,759.16 km) |
| Twickenham to Carlisle (Pennsylvania) | 3,606.50 mi (5,804.09 km) |
| Twickenham to Carlsbad (California) | 5,458.22 mi (8,784.16 km) |
