| Pontypridd to Clermont (Florida) | 4,217.13 mi (6,786.82 km) |
| Pontypridd to Cleveland (Mississippi) | 4,331.07 mi (6,970.19 km) |
| Pontypridd to Cleveland (Ohio) | 3,605.57 mi (5,802.60 km) |
| Pontypridd to Cleveland (Tennessee) | 4,024.10 mi (6,476.16 km) |
| Pontypridd to Cleveland Heights (Ohio) | 3,599.37 mi (5,792.63 km) |
| Pontypridd to Cliffside Park (New Jersey) | 3,321.99 mi (5,346.23 km) |
| Pontypridd to Clifton (Colorado) | 4,725.41 mi (7,604.81 km) |
| Pontypridd to Clifton (New Jersey) | 3,327.23 mi (5,354.67 km) |
| Pontypridd to Clinton (Iowa) | 3,923.17 mi (6,313.73 km) |
| Pontypridd to Clinton (Maryland) | 3,532.51 mi (5,685.02 km) |
| Pontypridd to Clinton (Mississippi) | 4,384.41 mi (7,056.02 km) |
| Pontypridd to Clinton (Utah) | 4,737.38 mi (7,624.08 km) |
| Pontypridd to Clive (Iowa) | 4,068.44 mi (6,547.52 km) |
| Pontypridd to Cloquet (Minnesota) | 3,784.10 mi (6,089.93 km) |
| Pontypridd to Cloverleaf (Texas) | 4,708.92 mi (7,578.28 km) |
