| Pontypridd to Cloverly (Maryland) | 3,520.52 mi (5,665.73 km) |
| Pontypridd to Clovis (California) | 5,221.50 mi (8,403.19 km) |
| Pontypridd to Clovis (New Mexico) | 4,779.33 mi (7,691.59 km) |
| Pontypridd to Clute (Texas) | 4,757.21 mi (7,655.99 km) |
| Pontypridd to Coachella (California) | 5,281.53 mi (8,499.79 km) |
| Pontypridd to Coalinga (California) | 5,280.74 mi (8,498.53 km) |
| Pontypridd to Coamo (Puerto Rico) | 4,094.94 mi (6,590.17 km) |
| Pontypridd to Coatesville (Pennsylvania) | 3,433.43 mi (5,525.57 km) |
| Pontypridd to Cockeysville (Maryland) | 3,488.79 mi (5,614.66 km) |
| Pontypridd to Cocoa (Florida) | 4,184.31 mi (6,734.00 km) |
| Pontypridd to Cocoa Beach (Florida) | 4,180.83 mi (6,728.40 km) |
| Pontypridd to Coconut Creek (Florida) | 4,264.47 mi (6,863.00 km) |
| Pontypridd to Coeur d'Alene (Idaho) | 4,531.46 mi (7,292.68 km) |
| Pontypridd to Cohoes (New York) | 3,228.83 mi (5,196.29 km) |
| Pontypridd to Cold Springs (Nevada) | 5,069.05 mi (8,157.85 km) |
