| Pontneddfechan to Culpeper (Virginia) | 3,576.95 mi (5,756.55 km) |
| Pontneddfechan to Culver City (California) | 5,324.35 mi (8,568.72 km) |
| Pontneddfechan to Cumberland (Maryland) | 3,555.12 mi (5,721.41 km) |
| Pontneddfechan to Cupertino (California) | 5,252.75 mi (8,453.48 km) |
| Pontneddfechan to Cutler Bay (Florida) | 4,294.60 mi (6,911.50 km) |
| Pontneddfechan to Cutlerville (Michigan) | 3,688.13 mi (5,935.46 km) |
| Pontneddfechan to Cuyahoga Falls (Ohio) | 3,599.33 mi (5,792.56 km) |
| Pontneddfechan to Cypress (California) | 5,323.14 mi (8,566.77 km) |
| Pontneddfechan to Cypress Gardens (Florida) | 4,229.77 mi (6,807.16 km) |
| Pontneddfechan to Cypress Lake (Florida) | 4,312.29 mi (6,939.96 km) |
| Pontneddfechan to D'Iberville (Mississippi) | 4,406.60 mi (7,091.74 km) |
| Pontneddfechan to Dakota Ridge (Colorado) | 4,566.06 mi (7,348.36 km) |
| Pontneddfechan to Dale City (Virginia) | 3,542.14 mi (5,700.52 km) |
| Pontneddfechan to Dallas (Georgia) | 4,070.56 mi (6,550.93 km) |
| Pontneddfechan to Dallas (Oregon) | 4,856.58 mi (7,815.90 km) |
