| Twickenham to Cookeville (Tennessee) | 4,128.88 mi (6,644.79 km) |
| Twickenham to Coolidge (Arizona) | 5,274.58 mi (8,488.62 km) |
| Twickenham to Coon Rapids (Minnesota) | 3,998.13 mi (6,434.37 km) |
| Twickenham to Cooper City (Florida) | 4,409.88 mi (7,097.01 km) |
| Twickenham to Coos Bay (Oregon) | 5,076.29 mi (8,169.50 km) |
| Twickenham to Copiague (New York) | 3,430.58 mi (5,520.98 km) |
| Twickenham to Coppell (Texas) | 4,739.52 mi (7,627.53 km) |
| Twickenham to Copperas Cove (Texas) | 4,870.98 mi (7,839.08 km) |
| Twickenham to Coral Gables (Florida) | 4,426.54 mi (7,123.83 km) |
| Twickenham to Coral Springs (Florida) | 4,397.44 mi (7,077.00 km) |
| Twickenham to Coral Terrace (Florida) | 4,425.80 mi (7,122.64 km) |
| Twickenham to Coralville (Iowa) | 4,099.70 mi (6,597.84 km) |
| Twickenham to Coram (New York) | 3,405.70 mi (5,480.95 km) |
| Twickenham to Corcoran (California) | 5,361.74 mi (8,628.89 km) |
| Twickenham to Cordele (Georgia) | 4,261.67 mi (6,858.49 km) |
