| Cwmbran to Clermont (Florida) | 4,230.03 mi (6,807.57 km) |
| Cwmbran to Cleveland (Mississippi) | 4,342.68 mi (6,988.87 km) |
| Cwmbran to Cleveland (Ohio) | 3,617.04 mi (5,821.07 km) |
| Cwmbran to Cleveland (Tennessee) | 4,036.09 mi (6,495.45 km) |
| Cwmbran to Cleveland Heights (Ohio) | 3,610.85 mi (5,811.10 km) |
| Cwmbran to Cliffside Park (New Jersey) | 3,334.20 mi (5,365.88 km) |
| Cwmbran to Clifton (Colorado) | 4,734.40 mi (7,619.28 km) |
| Cwmbran to Clifton (New Jersey) | 3,339.42 mi (5,374.28 km) |
| Cwmbran to Clinton (Iowa) | 3,933.79 mi (6,330.82 km) |
| Cwmbran to Clinton (Maryland) | 3,544.75 mi (5,704.72 km) |
| Cwmbran to Clinton (Mississippi) | 4,396.20 mi (7,075.00 km) |
| Cwmbran to Clinton (Utah) | 4,745.65 mi (7,637.38 km) |
| Cwmbran to Clive (Iowa) | 4,078.73 mi (6,564.08 km) |
| Cwmbran to Cloquet (Minnesota) | 3,793.73 mi (6,105.42 km) |
| Cwmbran to Cloverleaf (Texas) | 4,720.52 mi (7,596.94 km) |
