| Pontypridd to Corinth (Mississippi) | 4,183.08 mi (6,732.02 km) |
| Pontypridd to Corinth (Texas) | 4,612.22 mi (7,422.65 km) |
| Pontypridd to Cornelius (North Carolina) | 3,846.50 mi (6,190.34 km) |
| Pontypridd to Cornelius (Oregon) | 4,830.38 mi (7,773.74 km) |
| Pontypridd to Corning (New York) | 3,390.90 mi (5,457.13 km) |
| Pontypridd to Corona (California) | 5,319.73 mi (8,561.28 km) |
| Pontypridd to Coronado (California) | 5,373.42 mi (8,647.68 km) |
| Pontypridd to Corpus Christi (Texas) | 4,904.12 mi (7,892.43 km) |
| Pontypridd to Corsicana (Texas) | 4,642.81 mi (7,471.88 km) |
| Pontypridd to Cortland (New York) | 3,336.29 mi (5,369.24 km) |
| Pontypridd to Corvallis (Oregon) | 4,890.49 mi (7,870.48 km) |
| Pontypridd to Coshocton (Ohio) | 3,666.24 mi (5,900.25 km) |
| Pontypridd to Costa Mesa (California) | 5,342.31 mi (8,597.62 km) |
| Pontypridd to Coto de Caza (California) | 5,335.37 mi (8,586.45 km) |
| Pontypridd to Cottage Grove (Minnesota) | 3,886.47 mi (6,254.66 km) |
